19268724206101 has 4 divisors (see below), whose sum is σ = 19313224724332. Its totient is φ = 19224223687872.

The previous prime is 19268724206033. The next prime is 19268724206113. The reversal of 19268724206101 is 10160242786291.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10122642192100 + 9146082014001 = 3181610^2 + 3024249^2 .

It is a cyclic number.

It is not a de Polignac number, because 19268724206101 - 2²³ = 19268715817493 is a prime.

It is a super-2 number, since 2×19268724206101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19268724201101) 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, 22250258466 + ... + 22250259331.

It is an arithmetic number, because the mean of its divisors is an integer number (4828306181083).

Almost surely, 2^{19268724206101} is an apocalyptic number.

It is an amenable number.

19268724206101 is a deficient number, since it is larger than the sum of its proper divisors (44500518231).

19268724206101 is an equidigital number, since it uses as much as digits as its factorization.

19268724206101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44500518230.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 19268724206101 in words is "nineteen trillion, two hundred sixty-eight billion, seven hundred twenty-four million, two hundred six thousand, one hundred one".