45484643861 has 2 divisors, whose sum is σ = 45484643862. Its totient is φ = 45484643860.

The previous prime is 45484643821. The next prime is 45484643881. The reversal of 45484643861 is 16834648454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44772020836 + 712623025 = 211594^2 + 26695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45484643861 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 (45484643801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22742321930 + 22742321931.

It is an arithmetic number, because the mean of its divisors is an integer number (22742321931).

Almost surely, 2^45484643861 is an apocalyptic number.

It is an amenable number.

45484643861 is a deficient number, since it is larger than the sum of its proper divisors (1).

45484643861 is an equidigital number, since it uses as much as digits as its factorization.

45484643861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8847360, while the sum is 53.

The spelling of 45484643861 in words is "forty-five billion, four hundred eighty-four million, six hundred forty-three thousand, eight hundred sixty-one".