45651321097 has 2 divisors, whose sum is σ = 45651321098. Its totient is φ = 45651321096.

The previous prime is 45651321083. The next prime is 45651321103. The reversal of 45651321097 is 79012315654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38563533376 + 7087787721 = 196376^2 + 84189^2 .

It is a cyclic number.

It is not a de Polignac number, because 45651321097 - 2¹⁹ = 45650796809 is a prime.

It is not a weakly prime, because it can be changed into another prime (45651321197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22825660548 + 22825660549.

It is an arithmetic number, because the mean of its divisors is an integer number (22825660549).

Almost surely, 2^45651321097 is an apocalyptic number.

It is an amenable number.

45651321097 is a deficient number, since it is larger than the sum of its proper divisors (1).

45651321097 is an equidigital number, since it uses as much as digits as its factorization.

45651321097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 45651321097 in words is "forty-five billion, six hundred fifty-one million, three hundred twenty-one thousand, ninety-seven".