42741825321 has 24 divisors (see below), whose sum is σ = 62721777216. Its totient is φ = 25871451840.

The previous prime is 42741825257. The next prime is 42741825337. The reversal of 42741825321 is 12352814724.

It is a happy number.

It is not a de Polignac number, because 42741825321 - 2⁶ = 42741825257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 42741825321.

It is not an unprimeable number, because it can be changed into a prime (42741825121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 660085 + ... + 721938.

It is an arithmetic number, because the mean of its divisors is an integer number (2613407384).

Almost surely, 2^42741825321 is an apocalyptic number.

It is an amenable number.

42741825321 is a deficient number, since it is larger than the sum of its proper divisors (19979951895).

42741825321 is a wasteful number, since it uses less digits than its factorization.

42741825321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382113 (or 1382100 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The spelling of 42741825321 in words is "forty-two billion, seven hundred forty-one million, eight hundred twenty-five thousand, three hundred twenty-one".