50431146613 has 2 divisors, whose sum is σ = 50431146614. Its totient is φ = 50431146612.

The previous prime is 50431146607. The next prime is 50431146617. The reversal of 50431146613 is 31664113405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49685747409 + 745399204 = 222903^2 + 27302^2 .

It is a cyclic number.

It is not a de Polignac number, because 50431146613 - 2¹⁷ = 50431015541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50431146617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25215573306 + 25215573307.

It is an arithmetic number, because the mean of its divisors is an integer number (25215573307).

Almost surely, 2^50431146613 is an apocalyptic number.

It is an amenable number.

50431146613 is a deficient number, since it is larger than the sum of its proper divisors (1).

50431146613 is an equidigital number, since it uses as much as digits as its factorization.

50431146613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 50431146613 in words is "fifty billion, four hundred thirty-one million, one hundred forty-six thousand, six hundred thirteen".