6453978249234 has 16 divisors (see below), whose sum is σ = 13026378119040. Its totient is φ = 2131589146320.

The previous prime is 6453978249203. The next prime is 6453978249283. The reversal of 6453978249234 is 4329428793546.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4934233482 + ... + 4934234789.

It is an arithmetic number, because the mean of its divisors is an integer number (814148632440).

Almost surely, 2^{6453978249234} is an apocalyptic number.

6453978249234 is an abundant number, since it is smaller than the sum of its proper divisors (6572399869806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6453978249234 is a wasteful number, since it uses less digits than its factorization.

6453978249234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9868468385.

The product of its digits is 313528320, while the sum is 66.

The spelling of 6453978249234 in words is "six trillion, four hundred fifty-three billion, nine hundred seventy-eight million, two hundred forty-nine thousand, two hundred thirty-four".