16747764541 has 2 divisors, whose sum is σ = 16747764542. Its totient is φ = 16747764540.

The previous prime is 16747764469. The next prime is 16747764581. The reversal of 16747764541 is 14546774761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16577592516 + 170172025 = 128754^2 + 13045^2 .

It is a cyclic number.

It is not a de Polignac number, because 16747764541 - 2¹⁹ = 16747240253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16747764581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8373882270 + 8373882271.

It is an arithmetic number, because the mean of its divisors is an integer number (8373882271).

Almost surely, 2^16747764541 is an apocalyptic number.

It is an amenable number.

16747764541 is a deficient number, since it is larger than the sum of its proper divisors (1).

16747764541 is an equidigital number, since it uses as much as digits as its factorization.

16747764541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3951360, while the sum is 52.

The spelling of 16747764541 in words is "sixteen billion, seven hundred forty-seven million, seven hundred sixty-four thousand, five hundred forty-one".