2546989788 has 48 divisors (see below), whose sum is σ = 6795622400. Its totient is φ = 727320384.

The previous prime is 2546989777. The next prime is 2546989799. The reversal of 2546989788 is 8879896452.

It is an interprime number because it is at equal distance from previous prime (2546989777) and next prime (2546989799).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172938 + ... + 187086.

Almost surely, 2^2546989788 is an apocalyptic number.

2546989788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2546989788 is an abundant number, since it is smaller than the sum of its proper divisors (4248632612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2546989788 is a wasteful number, since it uses less digits than its factorization.

2546989788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16306 (or 16304 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 66.

The square root of 2546989788 is about 50467.7103502824. The cubic root of 2546989788 is about 1365.6594090219.

The spelling of 2546989788 in words is "two billion, five hundred forty-six million, nine hundred eighty-nine thousand, seven hundred eighty-eight".