23959401649 has 8 divisors (see below), whose sum is σ = 24136277760. Its totient is φ = 23783145936.

The previous prime is 23959401643. The next prime is 23959401659. The reversal of 23959401649 is 94610495932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23959401649 - 2²³ = 23951013041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23959401596 and 23959401605.

It is not an unprimeable number, because it can be changed into a prime (23959401643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77434 + ... + 232195.

It is an arithmetic number, because the mean of its divisors is an integer number (3017034720).

Almost surely, 2^23959401649 is an apocalyptic number.

It is an amenable number.

23959401649 is a deficient number, since it is larger than the sum of its proper divisors (176876111).

23959401649 is a wasteful number, since it uses less digits than its factorization.

23959401649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310199.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 23959401649 in words is "twenty-three billion, nine hundred fifty-nine million, four hundred one thousand, six hundred forty-nine".