16242736774331 has 2 divisors, whose sum is σ = 16242736774332. Its totient is φ = 16242736774330.

The previous prime is 16242736774309. The next prime is 16242736774349. The reversal of 16242736774331 is 13347763724261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16242736774331 - 2¹⁸ = 16242736512187 is a prime.

It is a super-2 number, since 2×16242736774331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16242736774301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8121368387165 + 8121368387166.

It is an arithmetic number, because the mean of its divisors is an integer number (8121368387166).

Almost surely, 2^{16242736774331} is an apocalyptic number.

16242736774331 is a deficient number, since it is larger than the sum of its proper divisors (1).

16242736774331 is an equidigital number, since it uses as much as digits as its factorization.

16242736774331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21337344, while the sum is 56.

The spelling of 16242736774331 in words is "sixteen trillion, two hundred forty-two billion, seven hundred thirty-six million, seven hundred seventy-four thousand, three hundred thirty-one".