45221740819 has 2 divisors, whose sum is σ = 45221740820. Its totient is φ = 45221740818.

The previous prime is 45221740757. The next prime is 45221740847. The reversal of 45221740819 is 91804712254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45221740819 - 2⁷ = 45221740691 is a prime.

It is a super-2 number, since 2×45221740819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45221740219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22610870409 + 22610870410.

It is an arithmetic number, because the mean of its divisors is an integer number (22610870410).

Almost surely, 2^45221740819 is an apocalyptic number.

45221740819 is a deficient number, since it is larger than the sum of its proper divisors (1).

45221740819 is an equidigital number, since it uses as much as digits as its factorization.

45221740819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 45221740819 in words is "forty-five billion, two hundred twenty-one million, seven hundred forty thousand, eight hundred nineteen".