2939993431 has 2 divisors, whose sum is σ = 2939993432. Its totient is φ = 2939993430.

The previous prime is 2939993429. The next prime is 2939993449. The reversal of 2939993431 is 1343999392.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2939993431 - 2¹ = 2939993429 is a prime.

It is a super-2 number, since 2×2939993431² = 17287122748646303522, which contains 22 as substring.

Together with 2939993429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2439993431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1469996715 + 1469996716.

It is an arithmetic number, because the mean of its divisors is an integer number (1469996716).

Almost surely, 2^2939993431 is an apocalyptic number.

2939993431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2939993431 is an equidigital number, since it uses as much as digits as its factorization.

2939993431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1417176, while the sum is 52.

The square root of 2939993431 is about 54221.7062715662. The cubic root of 2939993431 is about 1432.5686843747.

The spelling of 2939993431 in words is "two billion, nine hundred thirty-nine million, nine hundred ninety-three thousand, four hundred thirty-one".