39918030054047 has 32 divisors (see below), whose sum is σ = 44043491059200. Its totient is φ = 36009872604288.

The previous prime is 39918030053969. The next prime is 39918030054053. The reversal of 39918030054047 is 74045003081993.

It is a cyclic number.

It is not a de Polignac number, because 39918030054047 - 2²⁶ = 39917962945183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39918030054047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39918030054347) 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 31 ways as a sum of consecutive naturals, for example, 1697977529 + ... + 1698001037.

It is an arithmetic number, because the mean of its divisors is an integer number (1376359095600).

Almost surely, 2^{39918030054047} is an apocalyptic number.

39918030054047 is a deficient number, since it is larger than the sum of its proper divisors (4125461005153).

39918030054047 is a wasteful number, since it uses less digits than its factorization.

39918030054047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40895.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 39918030054047 in words is "thirty-nine trillion, nine hundred eighteen billion, thirty million, fifty-four thousand, forty-seven".