75293138057009 has 4 divisors (see below), whose sum is σ = 75322746057216. Its totient is φ = 75263530056804.

The previous prime is 75293138057003. The next prime is 75293138057023. The reversal of 75293138057009 is 90075083139257.

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 not a de Polignac number, because 75293138057009 - 2⁴ = 75293138056993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75293138057003) 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, 14803996289 + ... + 14804001374.

It is an arithmetic number, because the mean of its divisors is an integer number (18830686514304).

Almost surely, 2^{75293138057009} is an apocalyptic number.

It is an amenable number.

75293138057009 is a deficient number, since it is larger than the sum of its proper divisors (29608000207).

75293138057009 is a wasteful number, since it uses less digits than its factorization.

75293138057009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29608000206.

The product of its (nonzero) digits is 14288400, while the sum is 59.

The spelling of 75293138057009 in words is "seventy-five trillion, two hundred ninety-three billion, one hundred thirty-eight million, fifty-seven thousand, nine".