2872391453 has 2 divisors, whose sum is σ = 2872391454. Its totient is φ = 2872391452.

The previous prime is 2872391393. The next prime is 2872391461. The reversal of 2872391453 is 3541932782.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2263190329 + 609201124 = 47573^2 + 24682^2 .

It is a cyclic number.

It is not a de Polignac number, because 2872391453 - 2¹⁰ = 2872390429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2872393453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436195726 + 1436195727.

It is an arithmetic number, because the mean of its divisors is an integer number (1436195727).

Almost surely, 2^2872391453 is an apocalyptic number.

It is an amenable number.

2872391453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872391453 is an equidigital number, since it uses as much as digits as its factorization.

2872391453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 2872391453 is about 53594.6961275087. The cubic root of 2872391453 is about 1421.5033099014.

The spelling of 2872391453 in words is "two billion, eight hundred seventy-two million, three hundred ninety-one thousand, four hundred fifty-three".