23764729651 has 8 divisors (see below), whose sum is σ = 25602202080. Its totient is φ = 21928602432.

The previous prime is 23764729649. The next prime is 23764729697. The reversal of 23764729651 is 15692746732.

It is a happy number.

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 23764729651 - 2¹ = 23764729649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23764129651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299455 + ... + 370408.

It is an arithmetic number, because the mean of its divisors is an integer number (3200275260).

Almost surely, 2^23764729651 is an apocalyptic number.

23764729651 is a deficient number, since it is larger than the sum of its proper divisors (1837472429).

23764729651 is a wasteful number, since it uses less digits than its factorization.

23764729651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672605.

The product of its digits is 3810240, while the sum is 52.

The spelling of 23764729651 in words is "twenty-three billion, seven hundred sixty-four million, seven hundred twenty-nine thousand, six hundred fifty-one".