653900499 has 16 divisors (see below), whose sum is σ = 1107133440. Its totient is φ = 373657320.

The previous prime is 653900491. The next prime is 653900531. The reversal of 653900499 is 994009356.

It is a happy number.

It is not a de Polignac number, because 653900499 - 2³ = 653900491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (653900491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1729707 + ... + 1730084.

It is an arithmetic number, because the mean of its divisors is an integer number (69195840).

Almost surely, 2^653900499 is an apocalyptic number.

653900499 is a deficient number, since it is larger than the sum of its proper divisors (453232941).

653900499 is a wasteful number, since it uses less digits than its factorization.

653900499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459807 (or 3459801 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 653900499 is about 25571.4782325934. The cubic root of 653900499 is about 867.9683508851.

The spelling of 653900499 in words is "six hundred fifty-three million, nine hundred thousand, four hundred ninety-nine".