6453371654378 has 16 divisors (see below), whose sum is σ = 10560232388160. Its totient is φ = 2933303618400.

The previous prime is 6453371654377. The next prime is 6453371654399. The reversal of 6453371654378 is 8734561733546.

It is a self number, because there is not a number n which added to its sum of digits gives 6453371654378.

It is not an unprimeable number, because it can be changed into a prime (6453371654377) 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, 937403 + ... + 3712878.

It is an arithmetic number, because the mean of its divisors is an integer number (660014524260).

Almost surely, 2^{6453371654378} is an apocalyptic number.

6453371654378 is a deficient number, since it is larger than the sum of its proper divisors (4106860733782).

6453371654378 is a wasteful number, since it uses less digits than its factorization.

6453371654378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713373.

The product of its digits is 152409600, while the sum is 62.

The spelling of 6453371654378 in words is "six trillion, four hundred fifty-three billion, three hundred seventy-one million, six hundred fifty-four thousand, three hundred seventy-eight".