2638954212 has 24 divisors (see below), whose sum is σ = 6186748512. Its totient is φ = 875481600.

The previous prime is 2638954211. The next prime is 2638954229. The reversal of 2638954212 is 2124598362.

It is not an unprimeable number, because it can be changed into a prime (2638954211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518589 + ... + 523652.

It is an arithmetic number, because the mean of its divisors is an integer number (257781188).

Almost surely, 2^2638954212 is an apocalyptic number.

It is an amenable number.

2638954212 is an abundant number, since it is smaller than the sum of its proper divisors (3547794300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2638954212 is a wasteful number, since it uses less digits than its factorization.

2638954212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042459 (or 1042457 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 2638954212 is about 51370.7524959485. The cubic root of 2638954212 is about 1381.9021259982.

It can be divided in two parts, 26389 and 54212, that added together give a triangular number (80601 = T₄₀₁).

The spelling of 2638954212 in words is "two billion, six hundred thirty-eight million, nine hundred fifty-four thousand, two hundred twelve".