6144872891 has 2 divisors, whose sum is σ = 6144872892. Its totient is φ = 6144872890.

The previous prime is 6144872873. The next prime is 6144872927. The reversal of 6144872891 is 1982784416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6144872891 - 2¹⁴ = 6144856507 is a prime.

It is not a weakly prime, because it can be changed into another prime (6144872801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3072436445 + 3072436446.

It is an arithmetic number, because the mean of its divisors is an integer number (3072436446).

Almost surely, 2^6144872891 is an apocalyptic number.

6144872891 is a deficient number, since it is larger than the sum of its proper divisors (1).

6144872891 is an equidigital number, since it uses as much as digits as its factorization.

6144872891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 50.

The square root of 6144872891 is about 78389.2396378483. The cubic root of 6144872891 is about 1831.6295210231.

The spelling of 6144872891 in words is "six billion, one hundred forty-four million, eight hundred seventy-two thousand, eight hundred ninety-one".