39403970061 has 16 divisors (see below), whose sum is σ = 52968115200. Its totient is φ = 26054937648.

The previous prime is 39403970051. The next prime is 39403970083. The reversal of 39403970061 is 16007930493.

It is not a de Polignac number, because 39403970061 - 2¹¹ = 39403968013 is a prime.

It is a super-3 number, since 3×39403970061³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39403969995 and 39403970022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39403970051) 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 15 ways as a sum of consecutive naturals, for example, 387790 + ... + 478736.

It is an arithmetic number, because the mean of its divisors is an integer number (3310507200).

Almost surely, 2^39403970061 is an apocalyptic number.

It is an amenable number.

39403970061 is a deficient number, since it is larger than the sum of its proper divisors (13564145139).

39403970061 is a wasteful number, since it uses less digits than its factorization.

39403970061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92128.

The product of its (nonzero) digits is 122472, while the sum is 42.

The spelling of 39403970061 in words is "thirty-nine billion, four hundred three million, nine hundred seventy thousand, sixty-one".