73988764429 has 2 divisors, whose sum is σ = 73988764430. Its totient is φ = 73988764428.

The previous prime is 73988764411. The next prime is 73988764433. The reversal of 73988764429 is 92446788937.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45187280329 + 28801484100 = 212573^2 + 169710^2 .

It is a cyclic number.

It is not a de Polignac number, because 73988764429 - 2¹⁷ = 73988633357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73988764489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36994382214 + 36994382215.

It is an arithmetic number, because the mean of its divisors is an integer number (36994382215).

Almost surely, 2^73988764429 is an apocalyptic number.

It is an amenable number.

73988764429 is a deficient number, since it is larger than the sum of its proper divisors (1).

73988764429 is an equidigital number, since it uses as much as digits as its factorization.

73988764429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 146313216, while the sum is 67.

The spelling of 73988764429 in words is "seventy-three billion, nine hundred eighty-eight million, seven hundred sixty-four thousand, four hundred twenty-nine".