6219845956 has 27 divisors (see below), whose sum is σ = 11134519039. Its totient is φ = 3040126568.

The previous prime is 6219845953. The next prime is 6219845959. The reversal of 6219845956 is 6595489126.

The square root of 6219845956 is 78866.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (6219845953) and next prime (6219845959).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6219845897 and 6219845906.

It is not an unprimeable number, because it can be changed into a prime (6219845953) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7412985 + ... + 7413823.

Almost surely, 2^6219845956 is an apocalyptic number.

6219845956 is the 78866-th square number.

It is an amenable number.

6219845956 is a deficient number, since it is larger than the sum of its proper divisors (4914673083).

6219845956 is an frugal number, since it uses more digits than its factorization.

6219845956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776 (or 888 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 55.

The cubic root of 6219845956 is about 1839.0486137870.

The spelling of 6219845956 in words is "six billion, two hundred nineteen million, eight hundred forty-five thousand, nine hundred fifty-six".