501364650139 has 2 divisors, whose sum is σ = 501364650140. Its totient is φ = 501364650138.

The previous prime is 501364650109. The next prime is 501364650151. The reversal of 501364650139 is 931056463105.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 501364650139 - 2¹⁵ = 501364617371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 501364650095 and 501364650104.

It is not a weakly prime, because it can be changed into another prime (501364650109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250682325069 + 250682325070.

It is an arithmetic number, because the mean of its divisors is an integer number (250682325070).

Almost surely, 2^501364650139 is an apocalyptic number.

501364650139 is a deficient number, since it is larger than the sum of its proper divisors (1).

501364650139 is an equidigital number, since it uses as much as digits as its factorization.

501364650139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 501364650139 in words is "five hundred one billion, three hundred sixty-four million, six hundred fifty thousand, one hundred thirty-nine".