73611740819 has 2 divisors, whose sum is σ = 73611740820. Its totient is φ = 73611740818.

The previous prime is 73611740809. The next prime is 73611740837. The reversal of 73611740819 is 91804711637.

It is a weak prime.

It is an emirp because it is prime and its reverse (91804711637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73611740819 - 2²⁸ = 73343305363 is a prime.

It is a super-2 number, since 2×73611740819² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73611740809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36805870409 + 36805870410.

It is an arithmetic number, because the mean of its divisors is an integer number (36805870410).

Almost surely, 2^73611740819 is an apocalyptic number.

73611740819 is a deficient number, since it is larger than the sum of its proper divisors (1).

73611740819 is an equidigital number, since it uses as much as digits as its factorization.

73611740819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 73611740819 in words is "seventy-three billion, six hundred eleven million, seven hundred forty thousand, eight hundred nineteen".