1970969915 has 4 divisors (see below), whose sum is σ = 2365163904. Its totient is φ = 1576775928.

The previous prime is 1970969893. The next prime is 1970969927. The reversal of 1970969915 is 5199690791.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1970969915 - 2²⁰ = 1969921339 is a prime.

It is a Duffinian number.

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, 197096987 + ... + 197096996.

It is an arithmetic number, because the mean of its divisors is an integer number (591290976).

Almost surely, 2^1970969915 is an apocalyptic number.

1970969915 is a deficient number, since it is larger than the sum of its proper divisors (394193989).

1970969915 is an equidigital number, since it uses as much as digits as its factorization.

1970969915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394193988.

The product of its (nonzero) digits is 1377810, while the sum is 56.

The square root of 1970969915 is about 44395.6069335695. The cubic root of 1970969915 is about 1253.7953796115.

The spelling of 1970969915 in words is "one billion, nine hundred seventy million, nine hundred sixty-nine thousand, nine hundred fifteen".