45264267721 has 2 divisors, whose sum is σ = 45264267722. Its totient is φ = 45264267720.

The previous prime is 45264267683. The next prime is 45264267731. The reversal of 45264267721 is 12776246254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43654252096 + 1610015625 = 208936^2 + 40125^2 .

It is a cyclic number.

It is not a de Polignac number, because 45264267721 - 2¹³ = 45264259529 is a prime.

It is not a weakly prime, because it can be changed into another prime (45264267731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22632133860 + 22632133861.

It is an arithmetic number, because the mean of its divisors is an integer number (22632133861).

Almost surely, 2^45264267721 is an apocalyptic number.

It is an amenable number.

45264267721 is a deficient number, since it is larger than the sum of its proper divisors (1).

45264267721 is an equidigital number, since it uses as much as digits as its factorization.

45264267721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 46.

The spelling of 45264267721 in words is "forty-five billion, two hundred sixty-four million, two hundred sixty-seven thousand, seven hundred twenty-one".