3651726145 has 4 divisors (see below), whose sum is σ = 4382071380. Its totient is φ = 2921380912.

The previous prime is 3651726083. The next prime is 3651726151. The reversal of 3651726145 is 5416271563.

3651726145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2767496449 + 884229696 = 52607^2 + 29736^2 .

It is a cyclic number.

It is not a de Polignac number, because 3651726145 - 2⁹ = 3651725633 is a prime.

It is a super-2 number, since 2×3651726145² = 26670207676153122050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3651726098 and 3651726107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365172610 + ... + 365172619.

It is an arithmetic number, because the mean of its divisors is an integer number (1095517845).

Almost surely, 2^3651726145 is an apocalyptic number.

It is an amenable number.

3651726145 is a deficient number, since it is larger than the sum of its proper divisors (730345235).

3651726145 is an equidigital number, since it uses as much as digits as its factorization.

3651726145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730345234.

The product of its digits is 151200, while the sum is 40.

The square root of 3651726145 is about 60429.5138570550. The cubic root of 3651726145 is about 1539.9243996451.

The spelling of 3651726145 in words is "three billion, six hundred fifty-one million, seven hundred twenty-six thousand, one hundred forty-five".