3625069663281 has 16 divisors (see below), whose sum is σ = 5273546443200. Its totient is φ = 2196712816320.

The previous prime is 3625069663261. The next prime is 3625069663349. The reversal of 3625069663281 is 1823669605263.

It is not a de Polignac number, because 3625069663281 - 2⁷ = 3625069663153 is a prime.

It is a super-2 number, since 2×3625069663281² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3625069663261) 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, 7231330 + ... + 7716363.

It is an arithmetic number, because the mean of its divisors is an integer number (329596652700).

Almost surely, 2^{3625069663281} is an apocalyptic number.

It is an amenable number.

3625069663281 is a deficient number, since it is larger than the sum of its proper divisors (1648476779919).

3625069663281 is a wasteful number, since it uses less digits than its factorization.

3625069663281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14955056.

The product of its (nonzero) digits is 16796160, while the sum is 57.

The spelling of 3625069663281 in words is "three trillion, six hundred twenty-five billion, sixty-nine million, six hundred sixty-three thousand, two hundred eighty-one".