1914556361 has 2 divisors, whose sum is σ = 1914556362. Its totient is φ = 1914556360.

The previous prime is 1914556349. The next prime is 1914556387. The reversal of 1914556361 is 1636554191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1561830400 + 352725961 = 39520^2 + 18781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1914556361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1914556321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957278180 + 957278181.

It is an arithmetic number, because the mean of its divisors is an integer number (957278181).

Almost surely, 2^1914556361 is an apocalyptic number.

It is an amenable number.

1914556361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1914556361 is an equidigital number, since it uses as much as digits as its factorization.

1914556361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 41.

The square root of 1914556361 is about 43755.6437616909. The cubic root of 1914556361 is about 1241.7172619014.

The spelling of 1914556361 in words is "one billion, nine hundred fourteen million, five hundred fifty-six thousand, three hundred sixty-one".