61233481169 has 6 divisors (see below), whose sum is σ = 71230784274. Its totient is φ = 52485840960.

The previous prime is 61233481159. The next prime is 61233481207. The reversal of 61233481169 is 96118433216.

It can be written as a sum of positive squares in only one way, i.e., 42905736769 + 18327744400 = 207137^2 + 135380^2 .

It is not a de Polignac number, because 61233481169 - 2²⁰ = 61232432593 is a prime.

It is a super-2 number, since 2×61233481169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61233481159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 624831392 + ... + 624831489.

It is an arithmetic number, because the mean of its divisors is an integer number (11871797379).

Almost surely, 2^61233481169 is an apocalyptic number.

It is an amenable number.

61233481169 is a deficient number, since it is larger than the sum of its proper divisors (9997303105).

61233481169 is a wasteful number, since it uses less digits than its factorization.

61233481169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249662895 (or 1249662888 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The spelling of 61233481169 in words is "sixty-one billion, two hundred thirty-three million, four hundred eighty-one thousand, one hundred sixty-nine".