23549314493 has 2 divisors, whose sum is σ = 23549314494. Its totient is φ = 23549314492.

The previous prime is 23549314433. The next prime is 23549314501. The reversal of 23549314493 is 39441394532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19326004324 + 4223310169 = 139018^2 + 64987^2 .

It is a cyclic number.

It is not a de Polignac number, because 23549314493 - 2⁸ = 23549314237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23549314423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11774657246 + 11774657247.

It is an arithmetic number, because the mean of its divisors is an integer number (11774657247).

Almost surely, 2^23549314493 is an apocalyptic number.

It is an amenable number.

23549314493 is a deficient number, since it is larger than the sum of its proper divisors (1).

23549314493 is an equidigital number, since it uses as much as digits as its factorization.

23549314493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 47.

The spelling of 23549314493 in words is "twenty-three billion, five hundred forty-nine million, three hundred fourteen thousand, four hundred ninety-three".