5215970643 has 8 divisors (see below), whose sum is σ = 7489598928. Its totient is φ = 3209828064.

The previous prime is 5215970629. The next prime is 5215970647. The reversal of 5215970643 is 3460795125.

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

It is not a de Polignac number, because 5215970643 - 2²⁶ = 5148861779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5215970595 and 5215970604.

It is not an unprimeable number, because it can be changed into a prime (5215970647) 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, 66871380 + ... + 66871457.

It is an arithmetic number, because the mean of its divisors is an integer number (936199866).

Almost surely, 2^5215970643 is an apocalyptic number.

5215970643 is a deficient number, since it is larger than the sum of its proper divisors (2273628285).

5215970643 is a wasteful number, since it uses less digits than its factorization.

5215970643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133742853.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 5215970643 is about 72221.6770990539. The cubic root of 5215970643 is about 1734.2500384422.

The spelling of 5215970643 in words is "five billion, two hundred fifteen million, nine hundred seventy thousand, six hundred forty-three".