2771429431 has 2 divisors, whose sum is σ = 2771429432. Its totient is φ = 2771429430.

The previous prime is 2771429347. The next prime is 2771429449. The reversal of 2771429431 is 1349241772.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2771429431 - 2⁷ = 2771429303 is a prime.

It is a super-2 number, since 2×2771429431² = 15361642182025967522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2771429491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385714715 + 1385714716.

It is an arithmetic number, because the mean of its divisors is an integer number (1385714716).

Almost surely, 2^2771429431 is an apocalyptic number.

2771429431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2771429431 is an equidigital number, since it uses as much as digits as its factorization.

2771429431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 2771429431 is about 52644.3675144834. The cubic root of 2771429431 is about 1404.6494113917.

The spelling of 2771429431 in words is "two billion, seven hundred seventy-one million, four hundred twenty-nine thousand, four hundred thirty-one".