1694479364 has 6 divisors (see below), whose sum is σ = 2965338894. Its totient is φ = 847239680.

The previous prime is 1694479333. The next prime is 1694479373. The reversal of 1694479364 is 4639744961.

It can be written as a sum of positive squares in only one way, i.e., 919302400 + 775176964 = 30320^2 + 27842^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211809917 + ... + 211809924.

It is an arithmetic number, because the mean of its divisors is an integer number (494223149).

Almost surely, 2^1694479364 is an apocalyptic number.

It is an amenable number.

1694479364 is a deficient number, since it is larger than the sum of its proper divisors (1270859530).

1694479364 is a wasteful number, since it uses less digits than its factorization.

1694479364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423619845 (or 423619843 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 53.

The square root of 1694479364 is about 41164.0542706862. The cubic root of 1694479364 is about 1192.1898720481.

The spelling of 1694479364 in words is "one billion, six hundred ninety-four million, four hundred seventy-nine thousand, three hundred sixty-four".