3657726250345 has 16 divisors (see below), whose sum is σ = 4395300254208. Its totient is φ = 2922163392960.

The previous prime is 3657726250337. The next prime is 3657726250349. The reversal of 3657726250345 is 5430526277563.

It is not a de Polignac number, because 3657726250345 - 2³ = 3657726250337 is a prime.

It is a super-2 number, since 2×3657726250345² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3657726250349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19159552 + ... + 19349518.

It is an arithmetic number, because the mean of its divisors is an integer number (274706265888).

Almost surely, 2^{3657726250345} is an apocalyptic number.

It is an amenable number.

3657726250345 is a deficient number, since it is larger than the sum of its proper divisors (737574003863).

3657726250345 is a wasteful number, since it uses less digits than its factorization.

3657726250345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195240.

The product of its (nonzero) digits is 31752000, while the sum is 55.

The spelling of 3657726250345 in words is "three trillion, six hundred fifty-seven billion, seven hundred twenty-six million, two hundred fifty thousand, three hundred forty-five".