1699316997 has 32 divisors (see below), whose sum is σ = 2640936960. Its totient is φ = 951821760.

The previous prime is 1699316963. The next prime is 1699317001. The reversal of 1699316997 is 7996139961.

It is not a de Polignac number, because 1699316997 - 2²⁷ = 1565099269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1699316997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1699316197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472747 + ... + 476327.

It is an arithmetic number, because the mean of its divisors is an integer number (82529280).

Almost surely, 2^1699316997 is an apocalyptic number.

It is an amenable number.

1699316997 is a deficient number, since it is larger than the sum of its proper divisors (941619963).

1699316997 is a wasteful number, since it uses less digits than its factorization.

1699316997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033.

The product of its digits is 4960116, while the sum is 60.

The square root of 1699316997 is about 41222.7727961136. The cubic root of 1699316997 is about 1193.3233366740.

The spelling of 1699316997 in words is "one billion, six hundred ninety-nine million, three hundred sixteen thousand, nine hundred ninety-seven".