16474751231 has 2 divisors, whose sum is σ = 16474751232. Its totient is φ = 16474751230.

The previous prime is 16474751191. The next prime is 16474751243. The reversal of 16474751231 is 13215747461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16474751231 - 2¹⁰ = 16474750207 is a prime.

It is a super-2 number, since 2×16474751231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16474751261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8237375615 + 8237375616.

It is an arithmetic number, because the mean of its divisors is an integer number (8237375616).

Almost surely, 2^16474751231 is an apocalyptic number.

16474751231 is a deficient number, since it is larger than the sum of its proper divisors (1).

16474751231 is an equidigital number, since it uses as much as digits as its factorization.

16474751231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 41.

The spelling of 16474751231 in words is "sixteen billion, four hundred seventy-four million, seven hundred fifty-one thousand, two hundred thirty-one".