2951772139 has 2 divisors, whose sum is σ = 2951772140. Its totient is φ = 2951772138.

The previous prime is 2951772121. The next prime is 2951772253. The reversal of 2951772139 is 9312771592.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2951772139 - 2⁵ = 2951772107 is a prime.

It is not a weakly prime, because it can be changed into another prime (2951772119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1475886069 + 1475886070.

It is an arithmetic number, because the mean of its divisors is an integer number (1475886070).

Almost surely, 2^2951772139 is an apocalyptic number.

2951772139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2951772139 is an equidigital number, since it uses as much as digits as its factorization.

2951772139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 238140, while the sum is 46.

The square root of 2951772139 is about 54330.2138685281. The cubic root of 2951772139 is about 1434.4792695952.

The spelling of 2951772139 in words is "two billion, nine hundred fifty-one million, seven hundred seventy-two thousand, one hundred thirty-nine".