1970073813 has 8 divisors (see below), whose sum is σ = 2627014176. Its totient is φ = 1313258000.

The previous prime is 1970073803. The next prime is 1970073817. The reversal of 1970073813 is 3183700791.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1970073813 - 2²⁸ = 1701638357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970073817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15943 + ... + 64763.

It is an arithmetic number, because the mean of its divisors is an integer number (328376772).

Almost surely, 2^1970073813 is an apocalyptic number.

It is an amenable number.

1970073813 is a deficient number, since it is larger than the sum of its proper divisors (656940363).

1970073813 is a wasteful number, since it uses less digits than its factorization.

1970073813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62275.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 1970073813 is about 44385.5135489047. The cubic root of 1970073813 is about 1253.6053380060.

The spelling of 1970073813 in words is "one billion, nine hundred seventy million, seventy-three thousand, eight hundred thirteen".