1970970623 has 4 divisors (see below), whose sum is σ = 1980311928. Its totient is φ = 1961629320.

The previous prime is 1970970601. The next prime is 1970970629. The reversal of 1970970623 is 3260790791.

It is a happy number.

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 1970970623 - 2⁸ = 1970970367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970970629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4670336 + ... + 4670757.

It is an arithmetic number, because the mean of its divisors is an integer number (495077982).

Almost surely, 2^1970970623 is an apocalyptic number.

1970970623 is a deficient number, since it is larger than the sum of its proper divisors (9341305).

1970970623 is an equidigital number, since it uses as much as digits as its factorization.

1970970623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9341304.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 1970970623 is about 44395.6149073307. The cubic root of 1970970623 is about 1253.7955297384.

The spelling of 1970970623 in words is "one billion, nine hundred seventy million, nine hundred seventy thousand, six hundred twenty-three".