16534798013939 has 2 divisors, whose sum is σ = 16534798013940. Its totient is φ = 16534798013938.

The previous prime is 16534798013869. The next prime is 16534798013941. The reversal of 16534798013939 is 93931089743561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16534798013939 - 2¹² = 16534798009843 is a prime.

It is a super-2 number, since 2×16534798013939² (a number of 27 digits) contains 22 as substring.

Together with 16534798013941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16534798013039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8267399006969 + 8267399006970.

It is an arithmetic number, because the mean of its divisors is an integer number (8267399006970).

Almost surely, 2^{16534798013939} is an apocalyptic number.

16534798013939 is a deficient number, since it is larger than the sum of its proper divisors (1).

16534798013939 is an equidigital number, since it uses as much as digits as its factorization.

16534798013939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132269760, while the sum is 68.

The spelling of 16534798013939 in words is "sixteen trillion, five hundred thirty-four billion, seven hundred ninety-eight million, thirteen thousand, nine hundred thirty-nine".