642305351174 has 8 divisors (see below), whose sum is σ = 964293639960. Its totient is φ = 320874137856.

The previous prime is 642305351159. The next prime is 642305351179. The reversal of 642305351174 is 471153503246.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642305351179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139265984 + ... + 139270595.

It is an arithmetic number, because the mean of its divisors is an integer number (120536704995).

Almost surely, 2^642305351174 is an apocalyptic number.

642305351174 is a deficient number, since it is larger than the sum of its proper divisors (321988288786).

642305351174 is a wasteful number, since it uses less digits than its factorization.

642305351174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278537734.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 642305351174 in words is "six hundred forty-two billion, three hundred five million, three hundred fifty-one thousand, one hundred seventy-four".