73371551801 has 2 divisors, whose sum is σ = 73371551802. Its totient is φ = 73371551800.

The previous prime is 73371551783. The next prime is 73371551807. The reversal of 73371551801 is 10815517337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73343472400 + 28079401 = 270820^2 + 5299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73371551801 is a prime.

It is a super-2 number, since 2×73371551801² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73371551807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36685775900 + 36685775901.

It is an arithmetic number, because the mean of its divisors is an integer number (36685775901).

Almost surely, 2^73371551801 is an apocalyptic number.

It is an amenable number.

73371551801 is a deficient number, since it is larger than the sum of its proper divisors (1).

73371551801 is an equidigital number, since it uses as much as digits as its factorization.

73371551801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 73371551801 in words is "seventy-three billion, three hundred seventy-one million, five hundred fifty-one thousand, eight hundred one".