2179142453 has 2 divisors, whose sum is σ = 2179142454. Its totient is φ = 2179142452.

The previous prime is 2179142443. The next prime is 2179142513. The reversal of 2179142453 is 3542419712.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2055443569 + 123698884 = 45337^2 + 11122^2 .

It is a cyclic number.

It is not a de Polignac number, because 2179142453 - 2⁸ = 2179142197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2179142423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1089571226 + 1089571227.

It is an arithmetic number, because the mean of its divisors is an integer number (1089571227).

Almost surely, 2^2179142453 is an apocalyptic number.

It is an amenable number.

2179142453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2179142453 is an equidigital number, since it uses as much as digits as its factorization.

2179142453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 2179142453 is about 46681.2858970273. The cubic root of 2179142453 is about 1296.4682150661.

The spelling of 2179142453 in words is "two billion, one hundred seventy-nine million, one hundred forty-two thousand, four hundred fifty-three".