7508972453 has 4 divisors (see below), whose sum is σ = 7593343020. Its totient is φ = 7424601888.

The previous prime is 7508972447. The next prime is 7508972461. The reversal of 7508972453 is 3542798057.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3542798057 = 269 ⋅13170253.

It can be written as a sum of positive squares in 2 ways, for example, as 565583524 + 6943388929 = 23782^2 + 83327^2 .

It is a cyclic number.

It is not a de Polignac number, because 7508972453 - 2⁶ = 7508972389 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 (7508972413) 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, 42185150 + ... + 42185327.

It is an arithmetic number, because the mean of its divisors is an integer number (1898335755).

Almost surely, 2^7508972453 is an apocalyptic number.

It is an amenable number.

7508972453 is a deficient number, since it is larger than the sum of its proper divisors (84370567).

7508972453 is an equidigital number, since it uses as much as digits as its factorization.

7508972453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84370566.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The square root of 7508972453 is about 86654.3273760751. The cubic root of 7508972453 is about 1958.2140865363.

The spelling of 7508972453 in words is "seven billion, five hundred eight million, nine hundred seventy-two thousand, four hundred fifty-three".