61429627682 has 8 divisors (see below), whose sum is σ = 94391867052. Its totient is φ = 29965672000.

The previous prime is 61429627663. The next prime is 61429627711. The reversal of 61429627682 is 28672692416.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49079528521 + 12350099161 = 221539^2 + 111131^2 .

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, 374570819 + ... + 374570982.

Almost surely, 2^61429627682 is an apocalyptic number.

61429627682 is a deficient number, since it is larger than the sum of its proper divisors (32962239370).

61429627682 is a wasteful number, since it uses less digits than its factorization.

61429627682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749141844.

The product of its digits is 3483648, while the sum is 53.

The spelling of 61429627682 in words is "sixty-one billion, four hundred twenty-nine million, six hundred twenty-seven thousand, six hundred eighty-two".