45442474361 has 2 divisors, whose sum is σ = 45442474362. Its totient is φ = 45442474360.

The previous prime is 45442474283. The next prime is 45442474369. The reversal of 45442474361 is 16347424454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37769590336 + 7672884025 = 194344^2 + 87595^2 .

It is a cyclic number.

It is not a de Polignac number, because 45442474361 - 2¹⁸ = 45442212217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (45442474369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22721237180 + 22721237181.

It is an arithmetic number, because the mean of its divisors is an integer number (22721237181).

Almost surely, 2^45442474361 is an apocalyptic number.

It is an amenable number.

45442474361 is a deficient number, since it is larger than the sum of its proper divisors (1).

45442474361 is an equidigital number, since it uses as much as digits as its factorization.

45442474361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 44.

The spelling of 45442474361 in words is "forty-five billion, four hundred forty-two million, four hundred seventy-four thousand, three hundred sixty-one".