1970984765 has 8 divisors (see below), whose sum is σ = 2420186208. Its totient is φ = 1540118160.

The previous prime is 1970984737. The next prime is 1970984791. The reversal of 1970984765 is 5674890791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1970984765 - 2²² = 1966790461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1970984765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4583471 + ... + 4583900.

It is an arithmetic number, because the mean of its divisors is an integer number (302523276).

Almost surely, 2^1970984765 is an apocalyptic number.

It is an amenable number.

1970984765 is a deficient number, since it is larger than the sum of its proper divisors (449201443).

1970984765 is an equidigital number, since it uses as much as digits as its factorization.

1970984765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9167419.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The square root of 1970984765 is about 44395.7741795320. The cubic root of 1970984765 is about 1253.7985284528.

The spelling of 1970984765 in words is "one billion, nine hundred seventy million, nine hundred eighty-four thousand, seven hundred sixty-five".