73243550141 has 4 divisors (see below), whose sum is σ = 73297367484. Its totient is φ = 73189732800.

The previous prime is 73243550131. The next prime is 73243550143. The reversal of 73243550141 is 14105534237.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23423078116 + 49820472025 = 153046^2 + 223205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73243550141 is a prime.

It is a super-2 number, since 2×73243550141² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73243550143) 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, 26906630 + ... + 26909351.

It is an arithmetic number, because the mean of its divisors is an integer number (18324341871).

Almost surely, 2^73243550141 is an apocalyptic number.

It is an amenable number.

73243550141 is a deficient number, since it is larger than the sum of its proper divisors (53817343).

73243550141 is a wasteful number, since it uses less digits than its factorization.

73243550141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53817342.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 73243550141 in words is "seventy-three billion, two hundred forty-three million, five hundred fifty thousand, one hundred forty-one".