2548615897989 has 64 divisors (see below), whose sum is σ = 4335751168000. Its totient is φ = 1449391781376.

The previous prime is 2548615897981. The next prime is 2548615897999. The reversal of 2548615897989 is 9897985168452.

2548615897989 is a `hidden beast` number, since 2 + 5 + 486 + 1 + 58 + 9 + 7 + 9 + 89 = 666.

It is not a de Polignac number, because 2548615897989 - 2³ = 2548615897981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2548615897981) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 190202712 + ... + 190216110.

It is an arithmetic number, because the mean of its divisors is an integer number (67746112000).

Almost surely, 2^{2548615897989} is an apocalyptic number.

It is an amenable number.

2548615897989 is a deficient number, since it is larger than the sum of its proper divisors (1787135270011).

2548615897989 is a wasteful number, since it uses less digits than its factorization.

2548615897989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18151 (or 18145 counting only the distinct ones).

The product of its digits is 3135283200, while the sum is 81.

The spelling of 2548615897989 in words is "two trillion, five hundred forty-eight billion, six hundred fifteen million, eight hundred ninety-seven thousand, nine hundred eighty-nine".