3651751634 has 8 divisors (see below), whose sum is σ = 5477894028. Its totient is φ = 1825786960.

The previous prime is 3651751619. The next prime is 3651751639. The reversal of 3651751634 is 4361571563.

It can be written as a sum of positive squares in 2 ways, for example, as 3174984409 + 476767225 = 56347^2 + 21835^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3651751591 and 3651751600.

It is not an unprimeable number, because it can be changed into a prime (3651751639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36224 + ... + 92820.

Almost surely, 2^3651751634 is an apocalyptic number.

3651751634 is a deficient number, since it is larger than the sum of its proper divisors (1826142394).

3651751634 is a wasteful number, since it uses less digits than its factorization.

3651751634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88860.

The product of its digits is 226800, while the sum is 41.

The square root of 3651751634 is about 60429.7247552891. The cubic root of 3651751634 is about 1539.9279825208.

The spelling of 3651751634 in words is "three billion, six hundred fifty-one million, seven hundred fifty-one thousand, six hundred thirty-four".