3665450123042 has 16 divisors (see below), whose sum is σ = 5790845224512. Its totient is φ = 1736657796720.

The previous prime is 3665450123021. The next prime is 3665450123063. The reversal of 3665450123042 is 2403210545663.

It is an interprime number because it is at equal distance from previous prime (3665450123021) and next prime (3665450123063).

It is a super-2 number, since 2×3665450123042² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372348809 + ... + 372358652.

It is an arithmetic number, because the mean of its divisors is an integer number (361927826532).

Almost surely, 2^{3665450123042} is an apocalyptic number.

3665450123042 is a deficient number, since it is larger than the sum of its proper divisors (2125395101470).

3665450123042 is a wasteful number, since it uses less digits than its factorization.

3665450123042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744707593.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 3665450123042 in words is "three trillion, six hundred sixty-five billion, four hundred fifty million, one hundred twenty-three thousand, forty-two".