2947516971 has 16 divisors (see below), whose sum is σ = 4496371200. Its totient is φ = 1682451648.

The previous prime is 2947516919. The next prime is 2947516991. The reversal of 2947516971 is 1796157492.

It is not a de Polignac number, because 2947516971 - 2¹⁴ = 2947500587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2947516991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57066 + ... + 95663.

It is an arithmetic number, because the mean of its divisors is an integer number (281023200).

Almost surely, 2^2947516971 is an apocalyptic number.

2947516971 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2947516971 is a deficient number, since it is larger than the sum of its proper divisors (1548854229).

2947516971 is a wasteful number, since it uses less digits than its factorization.

2947516971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153658.

The product of its digits is 952560, while the sum is 51.

The square root of 2947516971 is about 54291.0395092966. The cubic root of 2947516971 is about 1433.7896402894.

The spelling of 2947516971 in words is "two billion, nine hundred forty-seven million, five hundred sixteen thousand, nine hundred seventy-one".