699391473 has 16 divisors (see below), whose sum is σ = 1017782976. Its totient is φ = 423671040.

The previous prime is 699391423. The next prime is 699391481. The reversal of 699391473 is 374193996.

It is not a de Polignac number, because 699391473 - 2²⁵ = 665837041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (699391423) 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, 93861 + ... + 101037.

It is an arithmetic number, because the mean of its divisors is an integer number (63611436).

Almost surely, 2^699391473 is an apocalyptic number.

It is an amenable number.

699391473 is a deficient number, since it is larger than the sum of its proper divisors (318391503).

699391473 is a wasteful number, since it uses less digits than its factorization.

699391473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10144.

The product of its digits is 1102248, while the sum is 51.

The square root of 699391473 is about 26446.0105308910. The cubic root of 699391473 is about 887.6466349791.

The spelling of 699391473 in words is "six hundred ninety-nine million, three hundred ninety-one thousand, four hundred seventy-three".