73429386769 has 4 divisors (see below), whose sum is σ = 73476128880. Its totient is φ = 73382644660.

The previous prime is 73429386763. The next prime is 73429386829. The reversal of 73429386769 is 96768392437.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73429386769 - 2¹³ = 73429378577 is a prime.

It is a super-2 number, since 2×73429386769² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73429386769.

It is not an unprimeable number, because it can be changed into a prime (73429386763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23368699 + ... + 23371840.

It is an arithmetic number, because the mean of its divisors is an integer number (18369032220).

Almost surely, 2^73429386769 is an apocalyptic number.

It is an amenable number.

73429386769 is a deficient number, since it is larger than the sum of its proper divisors (46742111).

73429386769 is a wasteful number, since it uses less digits than its factorization.

73429386769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46742110.

The product of its digits is 82301184, while the sum is 64.

The spelling of 73429386769 in words is "seventy-three billion, four hundred twenty-nine million, three hundred eighty-six thousand, seven hundred sixty-nine".