2891010053 has 4 divisors (see below), whose sum is σ = 2891138688. Its totient is φ = 2890881420.

The previous prime is 2891009993. The next prime is 2891010071. The reversal of 2891010053 is 3500101982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2891010053 - 2¹⁶ = 2890944517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2891009998 and 2891010025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2891010653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20783 + ... + 78828.

It is an arithmetic number, because the mean of its divisors is an integer number (722784672).

Almost surely, 2^2891010053 is an apocalyptic number.

It is an amenable number.

2891010053 is a deficient number, since it is larger than the sum of its proper divisors (128635).

2891010053 is an equidigital number, since it uses as much as digits as its factorization.

2891010053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128634.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 2891010053 is about 53768.1137199363. The cubic root of 2891010053 is about 1424.5680526040.

The spelling of 2891010053 in words is "two billion, eight hundred ninety-one million, ten thousand, fifty-three".