73209362051 has 4 divisors (see below), whose sum is σ = 83667842352. Its totient is φ = 62750881752.

The previous prime is 73209362021. The next prime is 73209362113. The reversal of 73209362051 is 15026390237.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15026390237 = 10567 ⋅1422011.

It is a cyclic number.

It is not a de Polignac number, because 73209362051 - 2³⁴ = 56029492867 is a prime.

It is a super-2 number, since 2×73209362051² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73209361996 and 73209362014.

It is not an unprimeable number, because it can be changed into a prime (73209362021) 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 in 3 ways as a sum of consecutive naturals, for example, 5229240140 + ... + 5229240153.

It is an arithmetic number, because the mean of its divisors is an integer number (20916960588).

Almost surely, 2^73209362051 is an apocalyptic number.

73209362051 is a deficient number, since it is larger than the sum of its proper divisors (10458480301).

73209362051 is a wasteful number, since it uses less digits than its factorization.

73209362051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10458480300.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 73209362051 in words is "seventy-three billion, two hundred nine million, three hundred sixty-two thousand, fifty-one".