1697980474 has 16 divisors (see below), whose sum is σ = 2719518912. Its totient is φ = 793191168.

The previous prime is 1697980423. The next prime is 1697980499. The reversal of 1697980474 is 4740897961.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427239 + ... + 431194.

It is an arithmetic number, because the mean of its divisors is an integer number (169969932).

Almost surely, 2^1697980474 is an apocalyptic number.

1697980474 is a deficient number, since it is larger than the sum of its proper divisors (1021538438).

1697980474 is a wasteful number, since it uses less digits than its factorization.

1697980474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858501.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 1697980474 is about 41206.5586284514. The cubic root of 1697980474 is about 1193.0104026334.

It can be divided in two parts, 16979804 and 74, that added together give a triangular number (16979878 = T₅₈₂₇).

The spelling of 1697980474 in words is "one billion, six hundred ninety-seven million, nine hundred eighty thousand, four hundred seventy-four".