16747764469 has 2 divisors, whose sum is σ = 16747764470. Its totient is φ = 16747764468.

The previous prime is 16747764461. The next prime is 16747764541. The reversal of 16747764469 is 96446774761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15661271025 + 1086493444 = 125145^2 + 32962^2 .

It is a cyclic number.

It is not a de Polignac number, because 16747764469 - 2³ = 16747764461 is a prime.

It is a super-2 number, since 2×16747764469² (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 (16747764461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8373882234 + 8373882235.

It is an arithmetic number, because the mean of its divisors is an integer number (8373882235).

Almost surely, 2^16747764469 is an apocalyptic number.

It is an amenable number.

16747764469 is a deficient number, since it is larger than the sum of its proper divisors (1).

16747764469 is an equidigital number, since it uses as much as digits as its factorization.

16747764469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42674688, while the sum is 61.

The spelling of 16747764469 in words is "sixteen billion, seven hundred forty-seven million, seven hundred sixty-four thousand, four hundred sixty-nine".