3664899553 has 4 divisors (see below), whose sum is σ = 4188456640. Its totient is φ = 3141342468.

The previous prime is 3664899551. The next prime is 3664899571. The reversal of 3664899553 is 3559984663.

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.

It is a cyclic number.

It is not a de Polignac number, because 3664899553 - 2¹ = 3664899551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3664899551) 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 in 3 ways as a sum of consecutive naturals, for example, 261778533 + ... + 261778546.

It is an arithmetic number, because the mean of its divisors is an integer number (1047114160).

Almost surely, 2^3664899553 is an apocalyptic number.

It is an amenable number.

3664899553 is a deficient number, since it is larger than the sum of its proper divisors (523557087).

3664899553 is an equidigital number, since it uses as much as digits as its factorization.

3664899553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523557086.

The product of its digits is 20995200, while the sum is 58.

The square root of 3664899553 is about 60538.4138626046. The cubic root of 3664899553 is about 1541.7739092335.

The spelling of 3664899553 in words is "three billion, six hundred sixty-four million, eight hundred ninety-nine thousand, five hundred fifty-three".