7974220453 has 4 divisors (see below), whose sum is σ = 7974403360. Its totient is φ = 7974037548.

The previous prime is 7974220433. The next prime is 7974220459. The reversal of 7974220453 is 3540224797.

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 7974220453 - 2¹⁷ = 7974089381 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 (7974220459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16126 + ... + 127312.

It is an arithmetic number, because the mean of its divisors is an integer number (1993600840).

Almost surely, 2^7974220453 is an apocalyptic number.

It is an amenable number.

7974220453 is a deficient number, since it is larger than the sum of its proper divisors (182907).

7974220453 is a wasteful number, since it uses less digits than its factorization.

7974220453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182906.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 7974220453 is about 89298.4907655219. The cubic root of 7974220453 is about 1997.8493926897.

The spelling of 7974220453 in words is "seven billion, nine hundred seventy-four million, two hundred twenty thousand, four hundred fifty-three".