23854497049 has 2 divisors, whose sum is σ = 23854497050. Its totient is φ = 23854497048.

The previous prime is 23854497013. The next prime is 23854497059. The reversal of 23854497049 is 94079445832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16156189449 + 7698307600 = 127107^2 + 87740^2 .

It is a cyclic number.

It is not a de Polignac number, because 23854497049 - 2¹³ = 23854488857 is a prime.

It is not a weakly prime, because it can be changed into another prime (23854497059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11927248524 + 11927248525.

It is an arithmetic number, because the mean of its divisors is an integer number (11927248525).

Almost surely, 2^23854497049 is an apocalyptic number.

It is an amenable number.

23854497049 is a deficient number, since it is larger than the sum of its proper divisors (1).

23854497049 is an equidigital number, since it uses as much as digits as its factorization.

23854497049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 23854497049 in words is "twenty-three billion, eight hundred fifty-four million, four hundred ninety-seven thousand, forty-nine".