23514075649 has 3 divisors (see below), whose sum is σ = 23514228993. Its totient is φ = 23513922306.

The previous prime is 23514075631. The next prime is 23514075653. The reversal of 23514075649 is 94657041532.

It is a happy number.

The square root of 23514075649 is 153343.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 23514075649 - 2¹⁷ = 23513944577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23514075599 and 23514075608.

It is not an unprimeable number, because it can be changed into a prime (23514075659) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 76672 + ... + 230014.

It is an arithmetic number, because the mean of its divisors is an integer number (7838076331).

Almost surely, 2^23514075649 is an apocalyptic number.

23514075649 is the 153343-rd square number.

23514075649 is the 76672-nd centered octagonal number.

It is an amenable number.

23514075649 is a deficient number, since it is larger than the sum of its proper divisors (153344).

23514075649 is an frugal number, since it uses more digits than its factorization.

23514075649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306686 (or 153343 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 23514075649 in words is "twenty-three billion, five hundred fourteen million, seventy-five thousand, six hundred forty-nine".