101272288489 has 4 divisors (see below), whose sum is σ = 101291477760. Its totient is φ = 101253099220.

The previous prime is 101272288483. The next prime is 101272288499. The reversal of 101272288489 is 984882272101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101272288489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101272288483) 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, 9586717 + ... + 9597274.

It is an arithmetic number, because the mean of its divisors is an integer number (25322869440).

Almost surely, 2^101272288489 is an apocalyptic number.

It is an amenable number.

101272288489 is a deficient number, since it is larger than the sum of its proper divisors (19189271).

101272288489 is an equidigital number, since it uses as much as digits as its factorization.

101272288489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19189270.

The product of its (nonzero) digits is 1032192, while the sum is 52.

The spelling of 101272288489 in words is "one hundred one billion, two hundred seventy-two million, two hundred eighty-eight thousand, four hundred eighty-nine".