798751159639 has 2 divisors, whose sum is σ = 798751159640. Its totient is φ = 798751159638.

The previous prime is 798751159571. The next prime is 798751159651. The reversal of 798751159639 is 936951157897.

It is a strong prime.

It is an emirp because it is prime and its reverse (936951157897) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 798751159639 - 2⁷ = 798751159511 is a prime.

It is a super-2 number, since 2×798751159639² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (798751159939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399375579819 + 399375579820.

It is an arithmetic number, because the mean of its divisors is an integer number (399375579820).

Almost surely, 2^798751159639 is an apocalyptic number.

798751159639 is a deficient number, since it is larger than the sum of its proper divisors (1).

798751159639 is an equidigital number, since it uses as much as digits as its factorization.

798751159639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128595600, while the sum is 70.

The spelling of 798751159639 in words is "seven hundred ninety-eight billion, seven hundred fifty-one million, one hundred fifty-nine thousand, six hundred thirty-nine".