61347199683 has 48 divisors (see below), whose sum is σ = 106332670080. Its totient is φ = 31091356800.

The previous prime is 61347199679. The next prime is 61347199699. The reversal of 61347199683 is 38699174316.

It is a happy number.

It is not a de Polignac number, because 61347199683 - 2² = 61347199679 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61347199663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 396373 + ... + 528966.

It is an arithmetic number, because the mean of its divisors is an integer number (2215263960).

Almost surely, 2^61347199683 is an apocalyptic number.

61347199683 is a deficient number, since it is larger than the sum of its proper divisors (44985470397).

61347199683 is a wasteful number, since it uses less digits than its factorization.

61347199683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925408 (or 925401 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 57.

The spelling of 61347199683 in words is "sixty-one billion, three hundred forty-seven million, one hundred ninety-nine thousand, six hundred eighty-three".