5072993640821 has 2 divisors, whose sum is σ = 5072993640822. Its totient is φ = 5072993640820.

The previous prime is 5072993640721. The next prime is 5072993640853. The reversal of 5072993640821 is 1280463992705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4740030019921 + 332963620900 = 2177161^2 + 577030^2 .

It is a cyclic number.

It is not a de Polignac number, because 5072993640821 - 2¹⁰ = 5072993639797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5072993640881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2536496820410 + 2536496820411.

It is an arithmetic number, because the mean of its divisors is an integer number (2536496820411).

It is a 1-persistent number, because it is pandigital, but 2⋅5072993640821 = 10145987281642 is not.

Almost surely, 2^{5072993640821} is an apocalyptic number.

It is an amenable number.

5072993640821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5072993640821 is an equidigital number, since it uses as much as digits as its factorization.

5072993640821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 5072993640821 in words is "five trillion, seventy-two billion, nine hundred ninety-three million, six hundred forty thousand, eight hundred twenty-one".