642102263177 has 8 divisors (see below), whose sum is σ = 659496300096. Its totient is φ = 624710327472.

The previous prime is 642102263167. The next prime is 642102263191. The reversal of 642102263177 is 771362201246.

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

It is a cyclic number.

It is not a de Polignac number, because 642102263177 - 2¹⁶ = 642102197641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (642102263167) 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, 104228 + ... + 1138010.

It is an arithmetic number, because the mean of its divisors is an integer number (82437037512).

Almost surely, 2^642102263177 is an apocalyptic number.

It is an amenable number.

642102263177 is a deficient number, since it is larger than the sum of its proper divisors (17394036919).

642102263177 is a wasteful number, since it uses less digits than its factorization.

642102263177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050607.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 642102263177 in words is "six hundred forty-two billion, one hundred two million, two hundred sixty-three thousand, one hundred seventy-seven".