61339229336 has 128 divisors (see below), whose sum is σ = 145276416000. Its totient is φ = 23585126400.

The previous prime is 61339229323. The next prime is 61339229353. The reversal of 61339229336 is 63392293316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54330020 + ... + 54331148.

It is an arithmetic number, because the mean of its divisors is an integer number (1134972000).

Almost surely, 2^61339229336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61339229336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72638208000).

61339229336 is an abundant number, since it is smaller than the sum of its proper divisors (83937186664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61339229336 is a wasteful number, since it uses less digits than its factorization.

61339229336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233 (or 2229 counting only the distinct ones).

The product of its digits is 944784, while the sum is 47.

The spelling of 61339229336 in words is "sixty-one billion, three hundred thirty-nine million, two hundred twenty-nine thousand, three hundred thirty-six".