655113693 has 16 divisors (see below), whose sum is σ = 941383296. Its totient is φ = 402843840.

The previous prime is 655113689. The next prime is 655113707. The reversal of 655113693 is 396311556.

It is not a de Polignac number, because 655113693 - 2² = 655113689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655113593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53371 + ... + 64487.

It is an arithmetic number, because the mean of its divisors is an integer number (58836456).

Almost surely, 2^655113693 is an apocalyptic number.

It is an amenable number.

655113693 is a deficient number, since it is larger than the sum of its proper divisors (286269603).

655113693 is a wasteful number, since it uses less digits than its factorization.

655113693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12644.

The product of its digits is 72900, while the sum is 39.

The square root of 655113693 is about 25595.1888643159. The cubic root of 655113693 is about 868.5048053058.

The spelling of 655113693 in words is "six hundred fifty-five million, one hundred thirteen thousand, six hundred ninety-three".