39298500981 has 12 divisors (see below), whose sum is σ = 57695067820. Its totient is φ = 25769508480.

The previous prime is 39298500977. The next prime is 39298500991. The reversal of 39298500981 is 18900589293.

39298500981 is a `hidden beast` number, since 39 + 29 + 8 + 500 + 9 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1185700356 + 38112800625 = 34434^2 + 195225^2 .

It is not a de Polignac number, because 39298500981 - 2² = 39298500977 is a prime.

It is a super-2 number, since 2×39298500981² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39298500931) 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 11 ways as a sum of consecutive naturals, for example, 35790436 + ... + 35791533.

Almost surely, 2^39298500981 is an apocalyptic number.

It is an amenable number.

39298500981 is a deficient number, since it is larger than the sum of its proper divisors (18396566839).

39298500981 is a wasteful number, since it uses less digits than its factorization.

39298500981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71582036 (or 71582033 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 39298500981 in words is "thirty-nine billion, two hundred ninety-eight million, five hundred thousand, nine hundred eighty-one".