3812585901 has 4 divisors (see below), whose sum is σ = 5083447872. Its totient is φ = 2541723932.

The previous prime is 3812585897. The next prime is 3812585951. The reversal of 3812585901 is 1095852183.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1095852183 = 3 ⋅365284061.

It is a cyclic number.

It is not a de Polignac number, because 3812585901 - 2² = 3812585897 is a prime.

It is a super-2 number, since 2×3812585901² = 29071622505007963602, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3812585951) 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, 635430981 + ... + 635430986.

It is an arithmetic number, because the mean of its divisors is an integer number (1270861968).

Almost surely, 2^3812585901 is an apocalyptic number.

It is an amenable number.

3812585901 is a deficient number, since it is larger than the sum of its proper divisors (1270861971).

3812585901 is a wasteful number, since it uses less digits than its factorization.

3812585901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270861970.

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 3812585901 is about 61746.1407781895. The cubic root of 3812585901 is about 1562.2116751492.

The spelling of 3812585901 in words is "three billion, eight hundred twelve million, five hundred eighty-five thousand, nine hundred one".