2645976743642 has 8 divisors (see below), whose sum is σ = 3972413394432. Its totient is φ = 1321838945500.

The previous prime is 2645976743639. The next prime is 2645976743653. The reversal of 2645976743642 is 2463476795462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574710284 + ... + 574714887.

It is an arithmetic number, because the mean of its divisors is an integer number (496551674304).

Almost surely, 2^{2645976743642} is an apocalyptic number.

2645976743642 is a deficient number, since it is larger than the sum of its proper divisors (1326436650790).

2645976743642 is a wasteful number, since it uses less digits than its factorization.

2645976743642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149426324.

The product of its digits is 365783040, while the sum is 65.

The spelling of 2645976743642 in words is "two trillion, six hundred forty-five billion, nine hundred seventy-six million, seven hundred forty-three thousand, six hundred forty-two".