1699639352 has 16 divisors (see below), whose sum is σ = 3191182440. Its totient is φ = 848657376.

The previous prime is 1699639343. The next prime is 1699639397. The reversal of 1699639352 is 2539369961.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1699639294 and 1699639303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139058 + ... + 150785.

Almost surely, 2^1699639352 is an apocalyptic number.

It is an amenable number.

1699639352 is a deficient number, since it is larger than the sum of its proper divisors (1491543088).

1699639352 is a wasteful number, since it uses less digits than its factorization.

1699639352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290582 (or 290578 counting only the distinct ones).

The product of its digits is 2361960, while the sum is 53.

The square root of 1699639352 is about 41226.6825247921. The cubic root of 1699639352 is about 1193.3987884435.

The spelling of 1699639352 in words is "one billion, six hundred ninety-nine million, six hundred thirty-nine thousand, three hundred fifty-two".