743945458642 has 16 divisors (see below), whose sum is σ = 1123218233280. Its totient is φ = 369540192528.

The previous prime is 743945458579. The next prime is 743945458643. The reversal of 743945458642 is 246854549347.

It is not an unprimeable number, because it can be changed into a prime (743945458643) 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, 1661209 + ... + 2060947.

It is an arithmetic number, because the mean of its divisors is an integer number (70201139580).

Almost surely, 2^743945458642 is an apocalyptic number.

743945458642 is a deficient number, since it is larger than the sum of its proper divisors (379272774638).

743945458642 is a wasteful number, since it uses less digits than its factorization.

743945458642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405825.

The product of its digits is 116121600, while the sum is 61.

The spelling of 743945458642 in words is "seven hundred forty-three billion, nine hundred forty-five million, four hundred fifty-eight thousand, six hundred forty-two".