61226830013 has 8 divisors (see below), whose sum is σ = 61626907128. Its totient is φ = 60826881024.

The previous prime is 61226829991. The next prime is 61226830019. The reversal of 61226830013 is 31003862216.

61226830013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3067719769 + 58159110244 = 55387^2 + 241162^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61226830013 - 2²² = 61222635709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61226830019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044245 + ... + 1101317.

It is an arithmetic number, because the mean of its divisors is an integer number (7703363391).

Almost surely, 2^61226830013 is an apocalyptic number.

It is an amenable number.

61226830013 is a deficient number, since it is larger than the sum of its proper divisors (400077115).

61226830013 is a wasteful number, since it uses less digits than its factorization.

61226830013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64063.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 61226830013 in words is "sixty-one billion, two hundred twenty-six million, eight hundred thirty thousand, thirteen".