1970863615 has 24 divisors (see below), whose sum is σ = 2733994080. Its totient is φ = 1336076544.

The previous prime is 1970863607. The next prime is 1970863619. The reversal of 1970863615 is 5163680791.

It is a happy number.

It is not a de Polignac number, because 1970863615 - 2³ = 1970863607 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970863619) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273681 + ... + 280789.

It is an arithmetic number, because the mean of its divisors is an integer number (113916420).

Almost surely, 2^1970863615 is an apocalyptic number.

1970863615 is a deficient number, since it is larger than the sum of its proper divisors (763130465).

1970863615 is an frugal number, since it uses more digits than its factorization.

1970863615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7299 (or 7210 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 1970863615 is about 44394.4097269014. The cubic root of 1970863615 is about 1253.7728389588.

The spelling of 1970863615 in words is "one billion, nine hundred seventy million, eight hundred sixty-three thousand, six hundred fifteen".