842432953 has 4 divisors (see below), whose sum is σ = 842690548. Its totient is φ = 842175360.

The previous prime is 842432947. The next prime is 842432959. The reversal of 842432953 is 359234248.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (842432947) and next prime (842432959).

It can be written as a sum of positive squares in 2 ways, for example, as 459330624 + 383102329 = 21432^2 + 19573^2 .

It is a cyclic number.

It is not a de Polignac number, because 842432953 - 2²¹ = 840335801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842432959) 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, 123828 + ... + 130453.

It is an arithmetic number, because the mean of its divisors is an integer number (210672637).

Almost surely, 2^842432953 is an apocalyptic number.

It is an amenable number.

842432953 is a deficient number, since it is larger than the sum of its proper divisors (257595).

842432953 is a wasteful number, since it uses less digits than its factorization.

842432953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257594.

The product of its digits is 207360, while the sum is 40.

The square root of 842432953 is about 29024.6955711856. The cubic root of 842432953 is about 944.4488646401.

The spelling of 842432953 in words is "eight hundred forty-two million, four hundred thirty-two thousand, nine hundred fifty-three".