699495494 has 4 divisors (see below), whose sum is σ = 1049243244. Its totient is φ = 349747746.

The previous prime is 699495493. The next prime is 699495551. The reversal of 699495494 is 494594996.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×699495494² = 978587892252608072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699495493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174873872 + ... + 174873875.

It is an arithmetic number, because the mean of its divisors is an integer number (262310811).

Almost surely, 2^699495494 is an apocalyptic number.

699495494 is a deficient number, since it is larger than the sum of its proper divisors (349747750).

699495494 is a wasteful number, since it uses less digits than its factorization.

699495494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349747749.

The product of its digits is 12597120, while the sum is 59.

The square root of 699495494 is about 26447.9771249145. The cubic root of 699495494 is about 887.6906395731.

The spelling of 699495494 in words is "six hundred ninety-nine million, four hundred ninety-five thousand, four hundred ninety-four".