1969717772 has 12 divisors (see below), whose sum is σ = 3760370376. Its totient is φ = 895326240.

The previous prime is 1969717751. The next prime is 1969717781. The reversal of 1969717772 is 2777179691.

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, 22383113 + ... + 22383200.

It is an arithmetic number, because the mean of its divisors is an integer number (313364198).

Almost surely, 2^1969717772 is an apocalyptic number.

It is an amenable number.

1969717772 is a deficient number, since it is larger than the sum of its proper divisors (1790652604).

1969717772 is a wasteful number, since it uses less digits than its factorization.

1969717772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44766328 (or 44766326 counting only the distinct ones).

The product of its digits is 2333772, while the sum is 56.

The square root of 1969717772 is about 44381.5025883532. The cubic root of 1969717772 is about 1253.5298143064.

The spelling of 1969717772 in words is "one billion, nine hundred sixty-nine million, seven hundred seventeen thousand, seven hundred seventy-two".