45363713821 has 2 divisors, whose sum is σ = 45363713822. Its totient is φ = 45363713820.

The previous prime is 45363713771. The next prime is 45363713873. The reversal of 45363713821 is 12831736354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41540146596 + 3823567225 = 203814^2 + 61835^2 .

It is a cyclic number.

It is not a de Polignac number, because 45363713821 - 2¹⁹ = 45363189533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45363713621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22681856910 + 22681856911.

It is an arithmetic number, because the mean of its divisors is an integer number (22681856911).

Almost surely, 2^45363713821 is an apocalyptic number.

It is an amenable number.

45363713821 is a deficient number, since it is larger than the sum of its proper divisors (1).

45363713821 is an equidigital number, since it uses as much as digits as its factorization.

45363713821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The spelling of 45363713821 in words is "forty-five billion, three hundred sixty-three million, seven hundred thirteen thousand, eight hundred twenty-one".