642325105401 has 8 divisors (see below), whose sum is σ = 978781113024. Its totient is φ = 367042917360.

The previous prime is 642325105381. The next prime is 642325105417. The reversal of 642325105401 is 104501523246.

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

It is not a de Polignac number, because 642325105401 - 2⁵ = 642325105369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (642325101401) 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, 15293454870 + ... + 15293454911.

It is an arithmetic number, because the mean of its divisors is an integer number (122347639128).

Almost surely, 2^642325105401 is an apocalyptic number.

It is an amenable number.

642325105401 is a deficient number, since it is larger than the sum of its proper divisors (336456007623).

642325105401 is a wasteful number, since it uses less digits than its factorization.

642325105401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30586909791.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 642325105401 its reverse (104501523246), we get a palindrome (746826628647).

The spelling of 642325105401 in words is "six hundred forty-two billion, three hundred twenty-five million, one hundred five thousand, four hundred one".