3625097089921 has 2 divisors, whose sum is σ = 3625097089922. Its totient is φ = 3625097089920.

The previous prime is 3625097089907. The next prime is 3625097089963. The reversal of 3625097089921 is 1299807905263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3576879517696 + 48217572225 = 1891264^2 + 219585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3625097089921 is a prime.

It is a super-2 number, since 2×3625097089921² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3625097089921.

It is not a weakly prime, because it can be changed into another prime (3625097089021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1812548544960 + 1812548544961.

It is an arithmetic number, because the mean of its divisors is an integer number (1812548544961).

Almost surely, 2^{3625097089921} is an apocalyptic number.

It is an amenable number.

3625097089921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3625097089921 is an equidigital number, since it uses as much as digits as its factorization.

3625097089921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 3625097089921 in words is "three trillion, six hundred twenty-five billion, ninety-seven million, eighty-nine thousand, nine hundred twenty-one".