693139307 has 16 divisors (see below), whose sum is σ = 808953792. Its totient is φ = 581644800.

The previous prime is 693139303. The next prime is 693139309. The reversal of 693139307 is 703931396.

It is a cyclic number.

It is not a de Polignac number, because 693139307 - 2² = 693139303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (693139303) 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, 65057 + ... + 74957.

It is an arithmetic number, because the mean of its divisors is an integer number (50559612).

Almost surely, 2^693139307 is an apocalyptic number.

693139307 is a deficient number, since it is larger than the sum of its proper divisors (115814485).

693139307 is a wasteful number, since it uses less digits than its factorization.

693139307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10118.

The product of its (nonzero) digits is 91854, while the sum is 41.

The square root of 693139307 is about 26327.5389468898. The cubic root of 693139307 is about 884.9936935510.

The spelling of 693139307 in words is "six hundred ninety-three million, one hundred thirty-nine thousand, three hundred seven".