2981439748 has 24 divisors (see below), whose sum is σ = 5966440704. Its totient is φ = 1276996800.

The previous prime is 2981439731. The next prime is 2981439749. The reversal of 2981439748 is 8479341892.

It is not an unprimeable number, because it can be changed into a prime (2981439749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17253 + ... + 79123.

It is an arithmetic number, because the mean of its divisors is an integer number (248601696).

Almost surely, 2^2981439748 is an apocalyptic number.

2981439748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2981439748 is an abundant number, since it is smaller than the sum of its proper divisors (2985000956).

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

2981439748 is a wasteful number, since it uses less digits than its factorization.

2981439748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63603 (or 63601 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The square root of 2981439748 is about 54602.5617347758. The cubic root of 2981439748 is about 1439.2691359326.

The spelling of 2981439748 in words is "two billion, nine hundred eighty-one million, four hundred thirty-nine thousand, seven hundred forty-eight".