61844229226 has 8 divisors (see below), whose sum is σ = 99902216484. Its totient is φ = 28543490400.

The previous prime is 61844229217. The next prime is 61844229233. The reversal of 61844229226 is 62292244816.

It is a Cunningham number, because it is equal to 248685²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 61844229225 + 1 = 248685^2 + 1^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189312075 + ... + 1189312126.

Almost surely, 2^61844229226 is an apocalyptic number.

61844229226 is a deficient number, since it is larger than the sum of its proper divisors (38057987258).

61844229226 is a wasteful number, since it uses less digits than its factorization.

61844229226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378624216.

The product of its digits is 663552, while the sum is 46.

The spelling of 61844229226 in words is "sixty-one billion, eight hundred forty-four million, two hundred twenty-nine thousand, two hundred twenty-six".