73350771553 has 2 divisors, whose sum is σ = 73350771554. Its totient is φ = 73350771552.

The previous prime is 73350771469. The next prime is 73350771587. The reversal of 73350771553 is 35517705337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64240450849 + 9110320704 = 253457^2 + 95448^2 .

It is a cyclic number.

It is not a de Polignac number, because 73350771553 - 2²⁵ = 73317217121 is a prime.

It is not a weakly prime, because it can be changed into another prime (73350771353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36675385776 + 36675385777.

It is an arithmetic number, because the mean of its divisors is an integer number (36675385777).

Almost surely, 2^73350771553 is an apocalyptic number.

It is an amenable number.

73350771553 is a deficient number, since it is larger than the sum of its proper divisors (1).

73350771553 is an equidigital number, since it uses as much as digits as its factorization.

73350771553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1157625, while the sum is 46.

The spelling of 73350771553 in words is "seventy-three billion, three hundred fifty million, seven hundred seventy-one thousand, five hundred fifty-three".