364589225881 has 4 divisors (see below), whose sum is σ = 365633894500. Its totient is φ = 363544557264.

The previous prime is 364589225851. The next prime is 364589225893. The reversal of 364589225881 is 188522985463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 188522985463 = 311 ⋅606183233.

It can be written as a sum of positive squares in 2 ways, for example, as 208560275856 + 156028950025 = 456684^2 + 395005^2 .

It is a cyclic number.

It is not a de Polignac number, because 364589225881 - 2²⁷ = 364455008153 is a prime.

It is a super-2 number, since 2×364589225881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (364589225821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522333786 + ... + 522334483.

It is an arithmetic number, because the mean of its divisors is an integer number (91408473625).

Almost surely, 2^364589225881 is an apocalyptic number.

It is an amenable number.

364589225881 is a deficient number, since it is larger than the sum of its proper divisors (1044668619).

364589225881 is a wasteful number, since it uses less digits than its factorization.

364589225881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044668618.

The product of its digits is 33177600, while the sum is 61.

The spelling of 364589225881 in words is "three hundred sixty-four billion, five hundred eighty-nine million, two hundred twenty-five thousand, eight hundred eighty-one".