1816272053 has 2 divisors, whose sum is σ = 1816272054. Its totient is φ = 1816272052.

The previous prime is 1816272049. The next prime is 1816272071. The reversal of 1816272053 is 3502726181.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1802596849 + 13675204 = 42457^2 + 3698^2 .

It is a cyclic number.

It is not a de Polignac number, because 1816272053 - 2² = 1816272049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1816272013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 908136026 + 908136027.

It is an arithmetic number, because the mean of its divisors is an integer number (908136027).

Almost surely, 2^1816272053 is an apocalyptic number.

It is an amenable number.

1816272053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1816272053 is an equidigital number, since it uses as much as digits as its factorization.

1816272053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1816272053 is about 42617.7434057694. The cubic root of 1816272053 is about 1220.0949610308.

The spelling of 1816272053 in words is "one billion, eight hundred sixteen million, two hundred seventy-two thousand, fifty-three".