365949624981 has 32 divisors (see below), whose sum is σ = 495745113600. Its totient is φ = 240095923200.

The previous prime is 365949624949. The next prime is 365949624991. The reversal of 365949624981 is 189426949563.

It is not a de Polignac number, because 365949624981 - 2⁵ = 365949624949 is a prime.

It is a super-2 number, since 2×365949624981² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (365949624991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31333515 + ... + 31345191.

It is an arithmetic number, because the mean of its divisors is an integer number (15492034800).

Almost surely, 2^365949624981 is an apocalyptic number.

It is an amenable number.

365949624981 is a deficient number, since it is larger than the sum of its proper divisors (129795488619).

365949624981 is a wasteful number, since it uses less digits than its factorization.

365949624981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12429.

The product of its digits is 100776960, while the sum is 66.

The spelling of 365949624981 in words is "three hundred sixty-five billion, nine hundred forty-nine million, six hundred twenty-four thousand, nine hundred eighty-one".