502140748639 has 2 divisors, whose sum is σ = 502140748640. Its totient is φ = 502140748638.

The previous prime is 502140748609. The next prime is 502140748663. The reversal of 502140748639 is 936847041205.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 502140748639 - 2¹³ = 502140740447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 502140748592 and 502140748601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502140748609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251070374319 + 251070374320.

It is an arithmetic number, because the mean of its divisors is an integer number (251070374320).

It is a 1-persistent number, because it is pandigital, but 2⋅502140748639 = 1004281497278 is not.

Almost surely, 2^502140748639 is an apocalyptic number.

502140748639 is a deficient number, since it is larger than the sum of its proper divisors (1).

502140748639 is an equidigital number, since it uses as much as digits as its factorization.

502140748639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 502140748639 in words is "five hundred two billion, one hundred forty million, seven hundred forty-eight thousand, six hundred thirty-nine".