71329422979 has 2 divisors, whose sum is σ = 71329422980. Its totient is φ = 71329422978.

The previous prime is 71329422971. The next prime is 71329423043. The reversal of 71329422979 is 97922492317.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71329422979 - 2³ = 71329422971 is a prime.

It is not a weakly prime, because it can be changed into another prime (71329422971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35664711489 + 35664711490.

It is an arithmetic number, because the mean of its divisors is an integer number (35664711490).

Almost surely, 2^71329422979 is an apocalyptic number.

71329422979 is a deficient number, since it is larger than the sum of its proper divisors (1).

71329422979 is an equidigital number, since it uses as much as digits as its factorization.

71329422979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 55.

The spelling of 71329422979 in words is "seventy-one billion, three hundred twenty-nine million, four hundred twenty-two thousand, nine hundred seventy-nine".