2621871147 has 32 divisors (see below), whose sum is σ = 4050063360. Its totient is φ = 1477712160.

The previous prime is 2621871113. The next prime is 2621871149. The reversal of 2621871147 is 7411781262.

It is not a de Polignac number, because 2621871147 - 2⁸ = 2621870891 is a prime.

It is a super-2 number, since 2×2621871147² = 13748416622942191218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2621871149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1796304 + ... + 1797762.

It is an arithmetic number, because the mean of its divisors is an integer number (126564480).

Almost surely, 2^2621871147 is an apocalyptic number.

2621871147 is a deficient number, since it is larger than the sum of its proper divisors (1428192213).

2621871147 is a wasteful number, since it uses less digits than its factorization.

2621871147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583.

The product of its digits is 37632, while the sum is 39.

The square root of 2621871147 is about 51204.2102468147. The cubic root of 2621871147 is about 1378.9137897661.

The spelling of 2621871147 in words is "two billion, six hundred twenty-one million, eight hundred seventy-one thousand, one hundred forty-seven".