2289472455987 has 24 divisors (see below), whose sum is σ = 3363402968640. Its totient is φ = 1500507893040.

The previous prime is 2289472455961. The next prime is 2289472456009. The reversal of 2289472455987 is 7895542749822.

2289472455987 is a `hidden beast` number, since 2 + 2 + 8 + 9 + 4 + 7 + 24 + 5 + 598 + 7 = 666.

It is not a de Polignac number, because 2289472455987 - 2⁸ = 2289472455731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2289472454987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8948037 + ... + 9200342.

It is an arithmetic number, because the mean of its divisors is an integer number (140141790360).

Almost surely, 2^{2289472455987} is an apocalyptic number.

2289472455987 is a deficient number, since it is larger than the sum of its proper divisors (1073930512653).

2289472455987 is a wasteful number, since it uses less digits than its factorization.

2289472455987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18148623 (or 18148620 counting only the distinct ones).

The product of its digits is 812851200, while the sum is 72.

The spelling of 2289472455987 in words is "two trillion, two hundred eighty-nine billion, four hundred seventy-two million, four hundred fifty-five thousand, nine hundred eighty-seven".