45491397650719 has 2 divisors, whose sum is σ = 45491397650720. Its totient is φ = 45491397650718.

The previous prime is 45491397650693. The next prime is 45491397650753. The reversal of 45491397650719 is 91705679319454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45491397650719 - 2¹³ = 45491397642527 is a prime.

It is a super-2 number, since 2×45491397650719² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45491394650719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22745698825359 + 22745698825360.

It is an arithmetic number, because the mean of its divisors is an integer number (22745698825360).

Almost surely, 2^{45491397650719} is an apocalyptic number.

45491397650719 is a deficient number, since it is larger than the sum of its proper divisors (1).

45491397650719 is an equidigital number, since it uses as much as digits as its factorization.

45491397650719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 257191200, while the sum is 70.

The spelling of 45491397650719 in words is "forty-five trillion, four hundred ninety-one billion, three hundred ninety-seven million, six hundred fifty thousand, seven hundred nineteen".