61863379006 has 32 divisors (see below), whose sum is σ = 109347509376. Its totient is φ = 25878204000.

The previous prime is 61863378979. The next prime is 61863379021. The reversal of 61863379006 is 60097336816.

It is a super-3 number, since 3×61863379006³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 232080 + ... + 421411.

It is an arithmetic number, because the mean of its divisors is an integer number (3417109668).

Almost surely, 2^61863379006 is an apocalyptic number.

61863379006 is a deficient number, since it is larger than the sum of its proper divisors (47484130370).

61863379006 is a wasteful number, since it uses less digits than its factorization.

61863379006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653848.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 61863379006 in words is "sixty-one billion, eight hundred sixty-three million, three hundred seventy-nine thousand, six".