73398122069 has 4 divisors (see below), whose sum is σ = 73473713280. Its totient is φ = 73322530860.

The previous prime is 73398122051. The next prime is 73398122107. The reversal of 73398122069 is 96022189337.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-73398122069 is a prime.

It is a super-2 number, since 2×73398122069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73398122269) 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, 37794149 + ... + 37796090.

It is an arithmetic number, because the mean of its divisors is an integer number (18368428320).

Almost surely, 2^73398122069 is an apocalyptic number.

It is an amenable number.

73398122069 is a deficient number, since it is larger than the sum of its proper divisors (75591211).

73398122069 is an equidigital number, since it uses as much as digits as its factorization.

73398122069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75591210.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 73398122069 in words is "seventy-three billion, three hundred ninety-eight million, one hundred twenty-two thousand, sixty-nine".