6534798974356 has 24 divisors (see below), whose sum is σ = 12745892738880. Its totient is φ = 2913346910592.

The previous prime is 6534798974323. The next prime is 6534798974357.

It is a happy number.

6534798974356 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6534798974356² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (76).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6534798974357) 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, 2528945680 + ... + 2528948263.

It is an arithmetic number, because the mean of its divisors is an integer number (531078864120).

Almost surely, 2^{6534798974356} is an apocalyptic number.

It is an amenable number.

6534798974356 is a deficient number, since it is larger than the sum of its proper divisors (6211093764524).

6534798974356 is a wasteful number, since it uses less digits than its factorization.

6534798974356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057893983 (or 5057893981 counting only the distinct ones).

The product of its digits is 4115059200, while the sum is 76.

The spelling of 6534798974356 in words is "six trillion, five hundred thirty-four billion, seven hundred ninety-eight million, nine hundred seventy-four thousand, three hundred fifty-six".