742256555999 has 8 divisors (see below), whose sum is σ = 868983285408. Its totient is φ = 620702346240.

The previous prime is 742256555969. The next prime is 742256556017. The reversal of 742256555999 is 999555652247.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742256555999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742256555959) 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, 1293129602 + ... + 1293130175.

It is an arithmetic number, because the mean of its divisors is an integer number (108622910676).

Almost surely, 2^742256555999 is an apocalyptic number.

742256555999 is a deficient number, since it is larger than the sum of its proper divisors (126726729409).

742256555999 is a wasteful number, since it uses less digits than its factorization.

742256555999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586259825.

The product of its digits is 306180000, while the sum is 68.

The spelling of 742256555999 in words is "seven hundred forty-two billion, two hundred fifty-six million, five hundred fifty-five thousand, nine hundred ninety-nine".