3664145263505 has 16 divisors (see below), whose sum is σ = 4430195558784. Its totient is φ = 2909179601280.

The previous prime is 3664145263483. The next prime is 3664145263523. The reversal of 3664145263505 is 5053625414663.

It is not a de Polignac number, because 3664145263505 - 2³² = 3659850296209 is a prime.

It is a super-2 number, since 2×3664145263505² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2022650 + ... + 3379260.

It is an arithmetic number, because the mean of its divisors is an integer number (276887222424).

Almost surely, 2^{3664145263505} is an apocalyptic number.

It is an amenable number.

3664145263505 is a deficient number, since it is larger than the sum of its proper divisors (766050295279).

3664145263505 is a wasteful number, since it uses less digits than its factorization.

3664145263505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360696.

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 3664145263505 in words is "three trillion, six hundred sixty-four billion, one hundred forty-five million, two hundred sixty-three thousand, five hundred five".