2896421139 has 32 divisors (see below), whose sum is σ = 4479816000. Its totient is φ = 1847204352.

The previous prime is 2896421117. The next prime is 2896421173. The reversal of 2896421139 is 9311246982.

2896421139 is a `hidden beast` number, since 2 + 8 + 96 + 421 + 139 = 666.

It is not a de Polignac number, because 2896421139 - 2¹⁵ = 2896388371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2896421094 and 2896421103.

It is not an unprimeable number, because it can be changed into a prime (2896421639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68379 + ... + 102315.

It is an arithmetic number, because the mean of its divisors is an integer number (139994250).

Almost surely, 2^2896421139 is an apocalyptic number.

2896421139 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2896421139 is a deficient number, since it is larger than the sum of its proper divisors (1583394861).

2896421139 is a wasteful number, since it uses less digits than its factorization.

2896421139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34084 (or 34078 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 2896421139 is about 53818.4089229698. The cubic root of 2896421139 is about 1425.4562837996.

The spelling of 2896421139 in words is "two billion, eight hundred ninety-six million, four hundred twenty-one thousand, one hundred thirty-nine".