73559459243 has 2 divisors, whose sum is σ = 73559459244. Its totient is φ = 73559459242.

The previous prime is 73559459231. The next prime is 73559459279. The reversal of 73559459243 is 34295495537.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73559459243 - 2¹⁸ = 73559197099 is a prime.

It is not a weakly prime, because it can be changed into another prime (73559458243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36779729621 + 36779729622.

It is an arithmetic number, because the mean of its divisors is an integer number (36779729622).

Almost surely, 2^73559459243 is an apocalyptic number.

73559459243 is a deficient number, since it is larger than the sum of its proper divisors (1).

73559459243 is an equidigital number, since it uses as much as digits as its factorization.

73559459243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412000, while the sum is 56.

The spelling of 73559459243 in words is "seventy-three billion, five hundred fifty-nine million, four hundred fifty-nine thousand, two hundred forty-three".