1319664970 has 32 divisors (see below), whose sum is σ = 2572456320. Its totient is φ = 484530240.

The previous prime is 1319664961. The next prime is 1319664971. The reversal of 1319664970 is 794669131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1319664970.

It is not an unprimeable number, because it can be changed into a prime (1319664971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5086 + ... + 51625.

It is an arithmetic number, because the mean of its divisors is an integer number (80389260).

Almost surely, 2^1319664970 is an apocalyptic number.

1319664970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1319664970 is a deficient number, since it is larger than the sum of its proper divisors (1252791350).

1319664970 is a wasteful number, since it uses less digits than its factorization.

1319664970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56910.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 1319664970 is about 36327.1932579438. The cubic root of 1319664970 is about 1096.8684958286.

The spelling of 1319664970 in words is "one billion, three hundred nineteen million, six hundred sixty-four thousand, nine hundred seventy".