2125639962 has 16 divisors (see below), whose sum is σ = 4723644480. Its totient is φ = 708546636.

The previous prime is 2125639937. The next prime is 2125639981. The reversal of 2125639962 is 2699365212.

2125639962 is a `hidden beast` number, since 2 + 1 + 2 + 5 + 639 + 9 + 6 + 2 = 666.

It is a super-2 number, since 2×2125639962² = 9036690496102722888, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19681798 + ... + 19681905.

It is an arithmetic number, because the mean of its divisors is an integer number (295227780).

Almost surely, 2^2125639962 is an apocalyptic number.

2125639962 is an abundant number, since it is smaller than the sum of its proper divisors (2598004518).

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

2125639962 is a wasteful number, since it uses less digits than its factorization.

2125639962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39363714 (or 39363708 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 2125639962 is about 46104.6631264127. The cubic root of 2125639962 is about 1285.7698429643.

The spelling of 2125639962 in words is "two billion, one hundred twenty-five million, six hundred thirty-nine thousand, nine hundred sixty-two".