61290693829 has 8 divisors (see below), whose sum is σ = 66741228000. Its totient is φ = 56062630512.

The previous prime is 61290693797. The next prime is 61290693851. The reversal of 61290693829 is 92839609216.

It is a happy number.

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 61290693829 - 2⁵ = 61290693797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61290693829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61290693889) 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 7 ways as a sum of consecutive naturals, for example, 55617139 + ... + 55618240.

It is an arithmetic number, because the mean of its divisors is an integer number (8342653500).

Almost surely, 2^61290693829 is an apocalyptic number.

It is an amenable number.

61290693829 is a deficient number, since it is larger than the sum of its proper divisors (5450534171).

61290693829 is a wasteful number, since it uses less digits than its factorization.

61290693829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111235427.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 61290693829 in words is "sixty-one billion, two hundred ninety million, six hundred ninety-three thousand, eight hundred twenty-nine".