73231982501 has 2 divisors, whose sum is σ = 73231982502. Its totient is φ = 73231982500.

The previous prime is 73231982491. The next prime is 73231982503. The reversal of 73231982501 is 10528913237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67599480001 + 5632502500 = 259999^2 + 75050^2 .

It is a cyclic number.

It is not a de Polignac number, because 73231982501 - 2¹⁰ = 73231981477 is a prime.

It is a super-2 number, since 2×73231982501² (a number of 23 digits) contains 22 as substring.

Together with 73231982503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73231982503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36615991250 + 36615991251.

It is an arithmetic number, because the mean of its divisors is an integer number (36615991251).

Almost surely, 2^73231982501 is an apocalyptic number.

It is an amenable number.

73231982501 is a deficient number, since it is larger than the sum of its proper divisors (1).

73231982501 is an equidigital number, since it uses as much as digits as its factorization.

73231982501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 73231982501 in words is "seventy-three billion, two hundred thirty-one million, nine hundred eighty-two thousand, five hundred one".