50245431097 has 2 divisors, whose sum is σ = 50245431098. Its totient is φ = 50245431096.

The previous prime is 50245431083. The next prime is 50245431139. The reversal of 50245431097 is 79013454205.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47924215056 + 2321216041 = 218916^2 + 48179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50245431097 is a prime.

It is a super-2 number, since 2×50245431097² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50245431007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25122715548 + 25122715549.

It is an arithmetic number, because the mean of its divisors is an integer number (25122715549).

Almost surely, 2^50245431097 is an apocalyptic number.

It is an amenable number.

50245431097 is a deficient number, since it is larger than the sum of its proper divisors (1).

50245431097 is an equidigital number, since it uses as much as digits as its factorization.

50245431097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 50245431097 in words is "fifty billion, two hundred forty-five million, four hundred thirty-one thousand, ninety-seven".