16247858833 has 2 divisors, whose sum is σ = 16247858834. Its totient is φ = 16247858832.

The previous prime is 16247858777. The next prime is 16247858839. The reversal of 16247858833 is 33885874261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11122444369 + 5125414464 = 105463^2 + 71592^2 .

It is a cyclic number.

It is not a de Polignac number, because 16247858833 - 2²⁵ = 16214304401 is a prime.

It is a super-2 number, since 2×16247858833² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16247858839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8123929416 + 8123929417.

It is an arithmetic number, because the mean of its divisors is an integer number (8123929417).

Almost surely, 2^16247858833 is an apocalyptic number.

It is an amenable number.

16247858833 is a deficient number, since it is larger than the sum of its proper divisors (1).

16247858833 is an equidigital number, since it uses as much as digits as its factorization.

16247858833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 55.

The spelling of 16247858833 in words is "sixteen billion, two hundred forty-seven million, eight hundred fifty-eight thousand, eight hundred thirty-three".