71883809951 has 2 divisors, whose sum is σ = 71883809952. Its totient is φ = 71883809950.

The previous prime is 71883809941. The next prime is 71883809969. The reversal of 71883809951 is 15990838817.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71883809951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71883809941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35941904975 + 35941904976.

It is an arithmetic number, because the mean of its divisors is an integer number (35941904976).

Almost surely, 2^71883809951 is an apocalyptic number.

71883809951 is a deficient number, since it is larger than the sum of its proper divisors (1).

71883809951 is an equidigital number, since it uses as much as digits as its factorization.

71883809951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 59.

The spelling of 71883809951 in words is "seventy-one billion, eight hundred eighty-three million, eight hundred nine thousand, nine hundred fifty-one".