1690001343 has 12 divisors (see below), whose sum is σ = 2443545520. Its totient is φ = 1125544896.

The previous prime is 1690001329. The next prime is 1690001347. The reversal of 1690001343 is 3431000961.

It is not a de Polignac number, because 1690001343 - 2⁸ = 1690001087 is a prime.

It is a super-2 number, since 2×1690001343² = 5712209078683607298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1690001347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83971 + ... + 102132.

Almost surely, 2^1690001343 is an apocalyptic number.

1690001343 is a deficient number, since it is larger than the sum of its proper divisors (753544177).

1690001343 is a wasteful number, since it uses less digits than its factorization.

1690001343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187118 (or 187115 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1690001343 is about 41109.6259165661. The cubic root of 1690001343 is about 1191.1387407188.

The spelling of 1690001343 in words is "one billion, six hundred ninety million, one thousand, three hundred forty-three".