2430147981 has 16 divisors (see below), whose sum is σ = 3270758400. Its totient is φ = 1604870448.

The previous prime is 2430147949. The next prime is 2430148031. The reversal of 2430147981 is 1897410342.

It is not a de Polignac number, because 2430147981 - 2⁵ = 2430147949 is a prime.

It is a super-2 number, since 2×2430147981² = 11811238419116752722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430147911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188500 + ... + 200978.

It is an arithmetic number, because the mean of its divisors is an integer number (204422400).

Almost surely, 2^2430147981 is an apocalyptic number.

It is an amenable number.

2430147981 is a deficient number, since it is larger than the sum of its proper divisors (840610419).

2430147981 is a wasteful number, since it uses less digits than its factorization.

2430147981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13088.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 2430147981 is about 49296.5311254250. The cubic root of 2430147981 is about 1344.4487140616.

The spelling of 2430147981 in words is "two billion, four hundred thirty million, one hundred forty-seven thousand, nine hundred eighty-one".