9172696453 has 4 divisors (see below), whose sum is σ = 9323068588. Its totient is φ = 9022324320.

The previous prime is 9172696451. The next prime is 9172696471. The reversal of 9172696453 is 3546962719.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3546962719 = 659 ⋅5382341.

It can be written as a sum of positive squares in 2 ways, for example, as 1101111489 + 8071584964 = 33183^2 + 89842^2 .

It is a cyclic number.

It is not a de Polignac number, because 9172696453 - 2¹ = 9172696451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9172696453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9172696451) 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, 75185976 + ... + 75186097.

It is an arithmetic number, because the mean of its divisors is an integer number (2330767147).

Almost surely, 2^9172696453 is an apocalyptic number.

It is an amenable number.

9172696453 is a deficient number, since it is larger than the sum of its proper divisors (150372135).

9172696453 is a wasteful number, since it uses less digits than its factorization.

9172696453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150372134.

The product of its digits is 2449440, while the sum is 52.

The square root of 9172696453 is about 95774.1951310477. The cubic root of 9172696453 is about 2093.3041798148.

The spelling of 9172696453 in words is "nine billion, one hundred seventy-two million, six hundred ninety-six thousand, four hundred fifty-three".