1694452972 has 6 divisors (see below), whose sum is σ = 2965292708. Its totient is φ = 847226484.

The previous prime is 1694452931. The next prime is 1694452973. The reversal of 1694452972 is 2792544961.

It is a happy number.

It is a super-3 number, since 3×1694452972³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1694452973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211806618 + ... + 211806625.

Almost surely, 2^1694452972 is an apocalyptic number.

It is an amenable number.

1694452972 is a deficient number, since it is larger than the sum of its proper divisors (1270839736).

1694452972 is a wasteful number, since it uses less digits than its factorization.

1694452972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423613247 (or 423613245 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 1694452972 is about 41163.7336984876. The cubic root of 1694452972 is about 1192.1836824501.

The spelling of 1694452972 in words is "one billion, six hundred ninety-four million, four hundred fifty-two thousand, nine hundred seventy-two".