2546364421 has 4 divisors (see below), whose sum is σ = 2589523200. Its totient is φ = 2503205644.

The previous prime is 2546364407. The next prime is 2546364433. The reversal of 2546364421 is 1244636452.

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 2546364421 - 2⁹ = 2546363909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2546364461) 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, 21579301 + ... + 21579418.

It is an arithmetic number, because the mean of its divisors is an integer number (647380800).

Almost surely, 2^2546364421 is an apocalyptic number.

It is an amenable number.

2546364421 is a deficient number, since it is larger than the sum of its proper divisors (43158779).

2546364421 is an equidigital number, since it uses as much as digits as its factorization.

2546364421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43158778.

The product of its digits is 138240, while the sum is 37.

The square root of 2546364421 is about 50461.5142559159. The cubic root of 2546364421 is about 1365.5476289329.

The spelling of 2546364421 in words is "two billion, five hundred forty-six million, three hundred sixty-four thousand, four hundred twenty-one".