2801146981 has 8 divisors (see below), whose sum is σ = 2817289728. Its totient is φ = 2785020000.

The previous prime is 2801146963. The next prime is 2801146993. The reversal of 2801146981 is 1896411082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2801146981 - 2¹¹ = 2801144933 is a prime.

It is a super-2 number, since 2×2801146981² = 15692848818330828722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801146181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664681 + ... + 668881.

It is an arithmetic number, because the mean of its divisors is an integer number (352161216).

Almost surely, 2^2801146981 is an apocalyptic number.

It is an amenable number.

2801146981 is a deficient number, since it is larger than the sum of its proper divisors (16142747).

2801146981 is a wasteful number, since it uses less digits than its factorization.

2801146981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7883.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 2801146981 is about 52925.8630633455. The cubic root of 2801146981 is about 1409.6521753245.

The spelling of 2801146981 in words is "two billion, eight hundred one million, one hundred forty-six thousand, nine hundred eighty-one".