3665492000381 has 32 divisors (see below), whose sum is σ = 4127486958720. Its totient is φ = 3234673612800.

The previous prime is 3665492000369. The next prime is 3665492000393. The reversal of 3665492000381 is 1830002945663.

It is an interprime number because it is at equal distance from previous prime (3665492000369) and next prime (3665492000393).

It is not a de Polignac number, because 3665492000381 - 2³⁸ = 3390614093437 is a prime.

It is a super-2 number, since 2×3665492000381² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665492009381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36619241 + ... + 36719201.

It is an arithmetic number, because the mean of its divisors is an integer number (128983967460).

Almost surely, 2^{3665492000381} is an apocalyptic number.

It is an amenable number.

3665492000381 is a deficient number, since it is larger than the sum of its proper divisors (461994958339).

3665492000381 is a wasteful number, since it uses less digits than its factorization.

3665492000381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101165.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 3665492000381 in words is "three trillion, six hundred sixty-five billion, four hundred ninety-two million, three hundred eighty-one", and thus it is an aban number.