2453522869621 has 4 divisors (see below), whose sum is σ = 2454224080000. Its totient is φ = 2452821659244.

The previous prime is 2453522869619. The next prime is 2453522869657. The reversal of 2453522869621 is 1269682253542.

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 2453522869621 - 2¹ = 2453522869619 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 (2453522869601) 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, 350599941 + ... + 350606938.

It is an arithmetic number, because the mean of its divisors is an integer number (613556020000).

Almost surely, 2^{2453522869621} is an apocalyptic number.

It is an amenable number.

2453522869621 is a deficient number, since it is larger than the sum of its proper divisors (701210379).

2453522869621 is an equidigital number, since it uses as much as digits as its factorization.

2453522869621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701210378.

The product of its digits is 12441600, while the sum is 55.

The spelling of 2453522869621 in words is "two trillion, four hundred fifty-three billion, five hundred twenty-two million, eight hundred sixty-nine thousand, six hundred twenty-one".