61826619294 has 96 divisors (see below), whose sum is σ = 151073095680. Its totient is φ = 18104126400.

The previous prime is 61826619289. The next prime is 61826619301. The reversal of 61826619294 is 49291662816.

61826619294 is a `hidden beast` number, since 6 + 18 + 2 + 6 + 619 + 2 + 9 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 61826619294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4344739 + ... + 4358945.

It is an arithmetic number, because the mean of its divisors is an integer number (1573678080).

Almost surely, 2^61826619294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61826619294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75536547840).

61826619294 is an abundant number, since it is smaller than the sum of its proper divisors (89246476386).

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

61826619294 is a wasteful number, since it uses less digits than its factorization.

61826619294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14966 (or 14963 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

It can be divided in two parts, 6182 and 6619294, that added together give a square (6625476 = 2574²).

The spelling of 61826619294 in words is "sixty-one billion, eight hundred twenty-six million, six hundred nineteen thousand, two hundred ninety-four".