23727854649 has 8 divisors (see below), whose sum is σ = 31703189760. Its totient is φ = 15785544656.

The previous prime is 23727854599. The next prime is 23727854659. The reversal of 23727854649 is 94645872732.

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 23727854649 - 2¹¹ = 23727852601 is a prime.

It is a super-2 number, since 2×23727854649² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23727854659) 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, 8254602 + ... + 8257475.

It is an arithmetic number, because the mean of its divisors is an integer number (3962898720).

Almost surely, 2^23727854649 is an apocalyptic number.

It is an amenable number.

23727854649 is a deficient number, since it is larger than the sum of its proper divisors (7975335111).

23727854649 is a wasteful number, since it uses less digits than its factorization.

23727854649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16512559.

The product of its digits is 20321280, while the sum is 57.

The spelling of 23727854649 in words is "twenty-three billion, seven hundred twenty-seven million, eight hundred fifty-four thousand, six hundred forty-nine".