14897730811 has 2 divisors, whose sum is σ = 14897730812. Its totient is φ = 14897730810.

The previous prime is 14897730787. The next prime is 14897730817. The reversal of 14897730811 is 11803779841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14897730811 - 2⁵ = 14897730779 is a prime.

It is not a weakly prime, because it can be changed into another prime (14897730817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7448865405 + 7448865406.

It is an arithmetic number, because the mean of its divisors is an integer number (7448865406).

Almost surely, 2^14897730811 is an apocalyptic number.

14897730811 is a deficient number, since it is larger than the sum of its proper divisors (1).

14897730811 is an equidigital number, since it uses as much as digits as its factorization.

14897730811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 49.

The spelling of 14897730811 in words is "fourteen billion, eight hundred ninety-seven million, seven hundred thirty thousand, eight hundred eleven".