45291310109 has 2 divisors, whose sum is σ = 45291310110. Its totient is φ = 45291310108.

The previous prime is 45291310063. The next prime is 45291310133. The reversal of 45291310109 is 90101319254.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44458987609 + 832322500 = 210853^2 + 28850^2 .

It is a cyclic number.

It is not a de Polignac number, because 45291310109 - 2¹² = 45291306013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45291310139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22645655054 + 22645655055.

It is an arithmetic number, because the mean of its divisors is an integer number (22645655055).

Almost surely, 2^45291310109 is an apocalyptic number.

It is an amenable number.

45291310109 is a deficient number, since it is larger than the sum of its proper divisors (1).

45291310109 is an equidigital number, since it uses as much as digits as its factorization.

45291310109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The spelling of 45291310109 in words is "forty-five billion, two hundred ninety-one million, three hundred ten thousand, one hundred nine".