6453681233946 has 32 divisors (see below), whose sum is σ = 13192761574080. Its totient is φ = 2104030728576.

The previous prime is 6453681233891. The next prime is 6453681234023. The reversal of 6453681233946 is 6493321863546.

It is a self number, because there is not a number n which added to its sum of digits gives 6453681233946.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46201171 + ... + 46340646.

It is an arithmetic number, because the mean of its divisors is an integer number (412273799190).

Almost surely, 2^{6453681233946} is an apocalyptic number.

6453681233946 is an abundant number, since it is smaller than the sum of its proper divisors (6739080340134).

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

6453681233946 is a wasteful number, since it uses less digits than its factorization.

6453681233946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92542078.

The product of its digits is 67184640, while the sum is 60.

The spelling of 6453681233946 in words is "six trillion, four hundred fifty-three billion, six hundred eighty-one million, two hundred thirty-three thousand, nine hundred forty-six".