2538749380 has 24 divisors (see below), whose sum is σ = 5342908032. Its totient is φ = 1013302752.

The previous prime is 2538749377. The next prime is 2538749401. The reversal of 2538749380 is 839478352.

2538749380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127822 + ... + 146341.

It is an arithmetic number, because the mean of its divisors is an integer number (222621168).

Almost surely, 2^2538749380 is an apocalyptic number.

2538749380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2538749380 is an abundant number, since it is smaller than the sum of its proper divisors (2804158652).

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

2538749380 is a wasteful number, since it uses less digits than its factorization.

2538749380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274635 (or 274633 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 2538749380 is about 50386.0038105822. The cubic root of 2538749380 is about 1364.1850216129.

The spelling of 2538749380 in words is "two billion, five hundred thirty-eight million, seven hundred forty-nine thousand, three hundred eighty".