3652872631 has 4 divisors (see below), whose sum is σ = 3770707264. Its totient is φ = 3535038000.

The previous prime is 3652872617. The next prime is 3652872647. The reversal of 3652872631 is 1362782563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1362782563 = 4229 ⋅322247.

It is a cyclic number.

It is not a de Polignac number, because 3652872631 - 2¹⁷ = 3652741559 is a prime.

It is a super-2 number, since 2×3652872631² = 26686956916617724322, which 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 (3652872611) 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, 58917270 + ... + 58917331.

It is an arithmetic number, because the mean of its divisors is an integer number (942676816).

Almost surely, 2^3652872631 is an apocalyptic number.

3652872631 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3652872631 is a deficient number, since it is larger than the sum of its proper divisors (117834633).

3652872631 is a wasteful number, since it uses less digits than its factorization.

3652872631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117834632.

The product of its digits is 362880, while the sum is 43.

The square root of 3652872631 is about 60438.9992554476. Note that the first 3 decimals coincide. The cubic root of 3652872631 is about 1540.0855396068.

The spelling of 3652872631 in words is "three billion, six hundred fifty-two million, eight hundred seventy-two thousand, six hundred thirty-one".