61333080269 has 4 divisors (see below), whose sum is σ = 61587574620. Its totient is φ = 61078585920.

The previous prime is 61333080253. The next prime is 61333080293. The reversal of 61333080269 is 96208033316.

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 24464088100 + 36868992169 = 156410^2 + 192013^2 .

It is a cyclic number.

It is not a de Polignac number, because 61333080269 - 2⁴ = 61333080253 is a prime.

It is a super-2 number, since 2×61333080269² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61333080469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127246814 + ... + 127247295.

It is an arithmetic number, because the mean of its divisors is an integer number (15396893655).

Almost surely, 2^61333080269 is an apocalyptic number.

It is an amenable number.

61333080269 is a deficient number, since it is larger than the sum of its proper divisors (254494351).

61333080269 is a wasteful number, since it uses less digits than its factorization.

61333080269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254494350.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 61333080269 in words is "sixty-one billion, three hundred thirty-three million, eighty thousand, two hundred sixty-nine".