969735493 has 4 divisors (see below), whose sum is σ = 972154188. Its totient is φ = 967316800.

The previous prime is 969735449. The next prime is 969735517. The reversal of 969735493 is 394537969.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 394537969 = 7 ⋅56362567.

It can be written as a sum of positive squares in 2 ways, for example, as 725063329 + 244672164 = 26927^2 + 15642^2 .

It is a cyclic number.

It is not a de Polignac number, because 969735493 - 2⁹ = 969734981 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 (969735413) 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, 1208746 + ... + 1209547.

It is an arithmetic number, because the mean of its divisors is an integer number (243038547).

Almost surely, 2^969735493 is an apocalyptic number.

It is an amenable number.

969735493 is a deficient number, since it is larger than the sum of its proper divisors (2418695).

969735493 is a wasteful number, since it uses less digits than its factorization.

969735493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418694.

The product of its digits is 5511240, while the sum is 55.

The square root of 969735493 is about 31140.5763113016. The cubic root of 969735493 is about 989.8083133959.

The spelling of 969735493 in words is "nine hundred sixty-nine million, seven hundred thirty-five thousand, four hundred ninety-three".