3797075495521 has 16 divisors (see below), whose sum is σ = 4734186882048. Its totient is φ = 2958653451600.

The previous prime is 3797075495461. The next prime is 3797075495561. The reversal of 3797075495521 is 1255945707973.

It is a de Polignac number, because none of the positive numbers 2^k-3797075495521 is a prime.

It is a super-2 number, since 2×3797075495521² (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 (3797075495561) 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, 1295226 + ... + 3044956.

It is an arithmetic number, because the mean of its divisors is an integer number (295886680128).

Almost surely, 2^{3797075495521} is an apocalyptic number.

It is an amenable number.

3797075495521 is a deficient number, since it is larger than the sum of its proper divisors (937111386527).

3797075495521 is a wasteful number, since it uses less digits than its factorization.

3797075495521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777932.

The product of its (nonzero) digits is 83349000, while the sum is 64.

The spelling of 3797075495521 in words is "three trillion, seven hundred ninety-seven billion, seventy-five million, four hundred ninety-five thousand, five hundred twenty-one".