727135046664433 has 4 divisors (see below), whose sum is σ = 793238232724848. Its totient is φ = 661031860604020.

The previous prime is 727135046664431. The next prime is 727135046664493. The reversal of 727135046664433 is 334466640531727.

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 727135046664433 - 2¹ = 727135046664431 is a prime.

It is a super-2 number, since 2×727135046664433² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (727135046664431) 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, 33051593030191 + ... + 33051593030212.

It is an arithmetic number, because the mean of its divisors is an integer number (198309558181212).

Almost surely, 2^{727135046664433} is an apocalyptic number.

It is an amenable number.

727135046664433 is a deficient number, since it is larger than the sum of its proper divisors (66103186060415).

727135046664433 is a wasteful number, since it uses less digits than its factorization.

727135046664433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66103186060414.

The product of its (nonzero) digits is 182891520, while the sum is 61.

The spelling of 727135046664433 in words is "seven hundred twenty-seven trillion, one hundred thirty-five billion, forty-six million, six hundred sixty-four thousand, four hundred thirty-three".