2642173101 has 20 divisors (see below), whose sum is σ = 3955248000. Its totient is φ = 1757745576.

The previous prime is 2642173069. The next prime is 2642173109. The reversal of 2642173101 is 1013712462.

2642173101 is a `hidden beast` number, since 2 + 642 + 1 + 7 + 3 + 10 + 1 = 666.

It is not a de Polignac number, because 2642173101 - 2⁵ = 2642173069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642173109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4750 + ... + 72848.

It is an arithmetic number, because the mean of its divisors is an integer number (197762400).

Almost surely, 2^2642173101 is an apocalyptic number.

It is an amenable number.

2642173101 is a deficient number, since it is larger than the sum of its proper divisors (1313074899).

2642173101 is an equidigital number, since it uses as much as digits as its factorization.

2642173101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68590 (or 68581 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2642173101 is about 51402.0729251263. The cubic root of 2642173101 is about 1382.4637603738.

Adding to 2642173101 its reverse (1013712462), we get a palindrome (3655885563).

The spelling of 2642173101 in words is "two billion, six hundred forty-two million, one hundred seventy-three thousand, one hundred one".