2896138831 has 2 divisors, whose sum is σ = 2896138832. Its totient is φ = 2896138830.

The previous prime is 2896138787. The next prime is 2896138871. The reversal of 2896138831 is 1388316982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2896138831 - 2⁹ = 2896138319 is a prime.

It is a super-2 number, since 2×2896138831² = 16775240256852093122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2896138871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1448069415 + 1448069416.

It is an arithmetic number, because the mean of its divisors is an integer number (1448069416).

Almost surely, 2^2896138831 is an apocalyptic number.

2896138831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2896138831 is an equidigital number, since it uses as much as digits as its factorization.

2896138831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 49.

The square root of 2896138831 is about 53815.7860762063. The cubic root of 2896138831 is about 1425.4099702321.

The spelling of 2896138831 in words is "two billion, eight hundred ninety-six million, one hundred thirty-eight thousand, eight hundred thirty-one".