39629847061 has 6 divisors (see below), whose sum is σ = 46100026230. Its totient is φ = 33968440296.

The previous prime is 39629847029. The next prime is 39629847077. The reversal of 39629847061 is 16074892693.

It can be written as a sum of positive squares in only one way, i.e., 35567696836 + 4062150225 = 188594^2 + 63735^2 .

It is not a de Polignac number, because 39629847061 - 2⁵ = 39629847029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39629846993 and 39629847011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39629847661) 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 5 ways as a sum of consecutive naturals, for example, 404386146 + ... + 404386243.

It is an arithmetic number, because the mean of its divisors is an integer number (7683337705).

Almost surely, 2^39629847061 is an apocalyptic number.

It is an amenable number.

39629847061 is a deficient number, since it is larger than the sum of its proper divisors (6470179169).

39629847061 is an equidigital number, since it uses as much as digits as its factorization.

39629847061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808772403 (or 808772396 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 39629847061 in words is "thirty-nine billion, six hundred twenty-nine million, eight hundred forty-seven thousand, sixty-one".