3685812564001 has 4 divisors (see below), whose sum is σ = 3713948537904. Its totient is φ = 3657676590100.

The previous prime is 3685812563981. The next prime is 3685812564023. The reversal of 3685812564001 is 1004652185863.

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 3685812564001 - 2²³ = 3685804175393 is a prime.

It is a super-2 number, since 2×3685812564001² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3685812564901) 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, 14067986755 + ... + 14067987016.

It is an arithmetic number, because the mean of its divisors is an integer number (928487134476).

Almost surely, 2^{3685812564001} is an apocalyptic number.

It is an amenable number.

3685812564001 is a deficient number, since it is larger than the sum of its proper divisors (28135973903).

3685812564001 is a wasteful number, since it uses less digits than its factorization.

3685812564001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28135973902.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 3685812564001 in words is "three trillion, six hundred eighty-five billion, eight hundred twelve million, five hundred sixty-four thousand, one".