653412819 has 16 divisors (see below), whose sum is σ = 910022400. Its totient is φ = 416244576.

The previous prime is 653412811. The next prime is 653412827. The reversal of 653412819 is 918214356.

It is an interprime number because it is at equal distance from previous prime (653412811) and next prime (653412827).

It is not a de Polignac number, because 653412819 - 2³ = 653412811 is a prime.

It is a super-2 number, since 2×653412819² = 853896624067053522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (653412811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72252 + ... + 80790.

It is an arithmetic number, because the mean of its divisors is an integer number (56876400).

Almost surely, 2^653412819 is an apocalyptic number.

653412819 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

653412819 is a deficient number, since it is larger than the sum of its proper divisors (256609581).

653412819 is a wasteful number, since it uses less digits than its factorization.

653412819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9674.

The product of its digits is 51840, while the sum is 39.

The square root of 653412819 is about 25561.9408300700. The cubic root of 653412819 is about 867.7525198425.

The spelling of 653412819 in words is "six hundred fifty-three million, four hundred twelve thousand, eight hundred nineteen".