2496501541921 has 4 divisors (see below), whose sum is σ = 2509046776000. Its totient is φ = 2483956307844.

The previous prime is 2496501541883. The next prime is 2496501541927. The reversal of 2496501541921 is 1291451056942.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2496501541921 - 2⁹ = 2496501541409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2496501541927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6272616741 + ... + 6272617138.

It is an arithmetic number, because the mean of its divisors is an integer number (627261694000).

Almost surely, 2^{2496501541921} is an apocalyptic number.

It is an amenable number.

2496501541921 is a deficient number, since it is larger than the sum of its proper divisors (12545234079).

2496501541921 is a wasteful number, since it uses less digits than its factorization.

2496501541921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12545234078.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 2496501541921 in words is "two trillion, four hundred ninety-six billion, five hundred one million, five hundred forty-one thousand, nine hundred twenty-one".