268472469539 has 2 divisors, whose sum is σ = 268472469540. Its totient is φ = 268472469538.

The previous prime is 268472469479. The next prime is 268472469571. The reversal of 268472469539 is 935964274862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268472469539 is a prime.

It is not a weakly prime, because it can be changed into another prime (268472469439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134236234769 + 134236234770.

It is an arithmetic number, because the mean of its divisors is an integer number (134236234770).

Almost surely, 2^268472469539 is an apocalyptic number.

268472469539 is a deficient number, since it is larger than the sum of its proper divisors (1).

268472469539 is an equidigital number, since it uses as much as digits as its factorization.

268472469539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 156764160, while the sum is 65.

The spelling of 268472469539 in words is "two hundred sixty-eight billion, four hundred seventy-two million, four hundred sixty-nine thousand, five hundred thirty-nine".