2971005381 has 24 divisors (see below), whose sum is σ = 4480646976. Its totient is φ = 1893450240.

The previous prime is 2971005353. The next prime is 2971005383. The reversal of 2971005381 is 1835001792.

2971005381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2971005381 - 2¹⁰ = 2971004357 is a prime.

It is a super-2 number, since 2×2971005381² = 17653745947861910322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2971005383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 496101 + ... + 502053.

It is an arithmetic number, because the mean of its divisors is an integer number (186693624).

Almost surely, 2^2971005381 is an apocalyptic number.

It is an amenable number.

2971005381 is a deficient number, since it is larger than the sum of its proper divisors (1509641595).

2971005381 is a wasteful number, since it uses less digits than its factorization.

2971005381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8393 (or 8390 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 2971005381 is about 54506.9296603652. The cubic root of 2971005381 is about 1437.5881341905.

The spelling of 2971005381 in words is "two billion, nine hundred seventy-one million, five thousand, three hundred eighty-one".