3651226537 has 8 divisors (see below), whose sum is σ = 4261614336. Its totient is φ = 3063034752.

The previous prime is 3651226463. The next prime is 3651226547. The reversal of 3651226537 is 7356221563.

3651226537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3651226537 - 2²⁷ = 3517008809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3651226537.

It is not an unprimeable number, because it can be changed into a prime (3651226547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5548648 + ... + 5549305.

It is an arithmetic number, because the mean of its divisors is an integer number (532701792).

Almost surely, 2^3651226537 is an apocalyptic number.

It is an amenable number.

3651226537 is a deficient number, since it is larger than the sum of its proper divisors (610387799).

3651226537 is a wasteful number, since it uses less digits than its factorization.

3651226537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11098007.

The product of its digits is 226800, while the sum is 40.

The square root of 3651226537 is about 60425.3799077838. The cubic root of 3651226537 is about 1539.8541685993.

The spelling of 3651226537 in words is "three billion, six hundred fifty-one million, two hundred twenty-six thousand, five hundred thirty-seven".