3664592121 has 4 divisors (see below), whose sum is σ = 4886122832. Its totient is φ = 2443061412.

The previous prime is 3664592101. The next prime is 3664592137. The reversal of 3664592121 is 1212954663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1212954663 = 3 ⋅404318221.

It is not a de Polignac number, because 3664592121 - 2¹⁰ = 3664591097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3664592121.

It is not an unprimeable number, because it can be changed into a prime (3664592101) 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, 610765351 + ... + 610765356.

It is an arithmetic number, because the mean of its divisors is an integer number (1221530708).

Almost surely, 2^3664592121 is an apocalyptic number.

It is an amenable number.

3664592121 is a deficient number, since it is larger than the sum of its proper divisors (1221530711).

3664592121 is a wasteful number, since it uses less digits than its factorization.

3664592121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221530710.

The product of its digits is 77760, while the sum is 39.

The square root of 3664592121 is about 60535.8746612288. The cubic root of 3664592121 is about 1541.7307971933.

The spelling of 3664592121 in words is "three billion, six hundred sixty-four million, five hundred ninety-two thousand, one hundred twenty-one".