50728690031 has 2 divisors, whose sum is σ = 50728690032. Its totient is φ = 50728690030.

The previous prime is 50728689919. The next prime is 50728690127. The reversal of 50728690031 is 13009682705.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50728690031 - 2¹⁰ = 50728689007 is a prime.

It is a super-2 number, since 2×50728690031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50728690531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25364345015 + 25364345016.

It is an arithmetic number, because the mean of its divisors is an integer number (25364345016).

Almost surely, 2^50728690031 is an apocalyptic number.

50728690031 is a deficient number, since it is larger than the sum of its proper divisors (1).

50728690031 is an equidigital number, since it uses as much as digits as its factorization.

50728690031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 50728690031 in words is "fifty billion, seven hundred twenty-eight million, six hundred ninety thousand, thirty-one".