73403504819 has 2 divisors, whose sum is σ = 73403504820. Its totient is φ = 73403504818.

The previous prime is 73403504789. The next prime is 73403504827. The reversal of 73403504819 is 91840530437.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73403504819 - 2⁸ = 73403504563 is a prime.

It is a super-2 number, since 2×73403504819² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73403504819.

It is not a weakly prime, because it can be changed into another prime (73403504869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36701752409 + 36701752410.

It is an arithmetic number, because the mean of its divisors is an integer number (36701752410).

Almost surely, 2^73403504819 is an apocalyptic number.

73403504819 is a deficient number, since it is larger than the sum of its proper divisors (1).

73403504819 is an equidigital number, since it uses as much as digits as its factorization.

73403504819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 73403504819 in words is "seventy-three billion, four hundred three million, five hundred four thousand, eight hundred nineteen".