39471998049 has 48 divisors (see below), whose sum is σ = 65839625280. Its totient is φ = 22560289920.

The previous prime is 39471998047. The next prime is 39471998087. The reversal of 39471998049 is 94089917493.

39471998049 is a `hidden beast` number, since 39 + 471 + 9 + 98 + 0 + 49 = 666.

It is not a de Polignac number, because 39471998049 - 2¹ = 39471998047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39471998047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36414 + ... + 283319.

It is an arithmetic number, because the mean of its divisors is an integer number (1371658860).

Almost surely, 2^39471998049 is an apocalyptic number.

It is an amenable number.

39471998049 is a deficient number, since it is larger than the sum of its proper divisors (26367627231).

39471998049 is a wasteful number, since it uses less digits than its factorization.

39471998049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319822 (or 319819 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

It can be divided in two parts, 39471 and 998049, that added together give a triangular number (1037520 = T₁₄₄₀).

The spelling of 39471998049 in words is "thirty-nine billion, four hundred seventy-one million, nine hundred ninety-eight thousand, forty-nine".