2864408631 has 48 divisors (see below), whose sum is σ = 4708656000. Its totient is φ = 1540026432.

The previous prime is 2864408629. The next prime is 2864408647. The reversal of 2864408631 is 1368044682.

It is not a de Polignac number, because 2864408631 - 2¹ = 2864408629 is a prime.

It is a super-2 number, since 2×2864408631² = 16409673610694588322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864408681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 412716 + ... + 419598.

It is an arithmetic number, because the mean of its divisors is an integer number (98097000).

Almost surely, 2^2864408631 is an apocalyptic number.

2864408631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2864408631 is a deficient number, since it is larger than the sum of its proper divisors (1844247369).

2864408631 is a wasteful number, since it uses less digits than its factorization.

2864408631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7068 (or 7061 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 2864408631 is about 53520.1703192357. The cubic root of 2864408631 is about 1420.1852285979.

The spelling of 2864408631 in words is "two billion, eight hundred sixty-four million, four hundred eight thousand, six hundred thirty-one".