699638493 has 8 divisors (see below), whose sum is σ = 933810048. Its totient is φ = 465946304.

The previous prime is 699638479. The next prime is 699638503. The reversal of 699638493 is 394836996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 699638493 - 2⁴ = 699638477 is a prime.

It is a super-2 number, since 2×699638493² = 978988041774622098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699638453) 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 7 ways as a sum of consecutive naturals, for example, 116421 + ... + 122282.

It is an arithmetic number, because the mean of its divisors is an integer number (116726256).

Almost surely, 2^699638493 is an apocalyptic number.

It is an amenable number.

699638493 is a deficient number, since it is larger than the sum of its proper divisors (234171555).

699638493 is a wasteful number, since it uses less digits than its factorization.

699638493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239683.

The product of its digits is 7558272, while the sum is 57.

The square root of 699638493 is about 26450.6803882244. The cubic root of 699638493 is about 887.7511261312.

The spelling of 699638493 in words is "six hundred ninety-nine million, six hundred thirty-eight thousand, four hundred ninety-three".