2497969874121 has 4 divisors (see below), whose sum is σ = 3330626498832. Its totient is φ = 1665313249412.

The previous prime is 2497969874089. The next prime is 2497969874123. The reversal of 2497969874121 is 1214789697942.

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 2497969874121 - 2⁵ = 2497969874089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2497969874123) 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, 416328312351 + ... + 416328312356.

It is an arithmetic number, because the mean of its divisors is an integer number (832656624708).

Almost surely, 2^{2497969874121} is an apocalyptic number.

It is an amenable number.

2497969874121 is a deficient number, since it is larger than the sum of its proper divisors (832656624711).

2497969874121 is an equidigital number, since it uses as much as digits as its factorization.

2497969874121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832656624710.

The product of its digits is 109734912, while the sum is 69.

The spelling of 2497969874121 in words is "two trillion, four hundred ninety-seven billion, nine hundred sixty-nine million, eight hundred seventy-four thousand, one hundred twenty-one".