679201499 has 4 divisors (see below), whose sum is σ = 679271664. Its totient is φ = 679131336.

The previous prime is 679201487. The next prime is 679201513. The reversal of 679201499 is 994102976.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 679201499 - 2⁴ = 679201483 is a prime.

It is a super-2 number, since 2×679201499² = 922629352487694002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679201409) 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, 17687 + ... + 40880.

It is an arithmetic number, because the mean of its divisors is an integer number (169817916).

Almost surely, 2^679201499 is an apocalyptic number.

679201499 is a deficient number, since it is larger than the sum of its proper divisors (70165).

679201499 is a wasteful number, since it uses less digits than its factorization.

679201499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70164.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 679201499 is about 26061.4945657382. The cubic root of 679201499 is about 879.0215963904.

The spelling of 679201499 in words is "six hundred seventy-nine million, two hundred one thousand, four hundred ninety-nine".