38549248618657 has 16 divisors (see below), whose sum is σ = 46748581581312. Its totient is φ = 31031385960960.

The previous prime is 38549248618651. The next prime is 38549248618711. The reversal of 38549248618657 is 75681684294583.

It is a happy number.

It is not a de Polignac number, because 38549248618657 - 2³ = 38549248618649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38549248618651) 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 15 ways as a sum of consecutive naturals, for example, 349775644 + ... + 349885837.

It is an arithmetic number, because the mean of its divisors is an integer number (2921786348832).

Almost surely, 2^{38549248618657} is an apocalyptic number.

It is an amenable number.

38549248618657 is a deficient number, since it is larger than the sum of its proper divisors (8199332962655).

38549248618657 is a wasteful number, since it uses less digits than its factorization.

38549248618657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699661968.

The product of its digits is 2786918400, while the sum is 76.

The spelling of 38549248618657 in words is "thirty-eight trillion, five hundred forty-nine billion, two hundred forty-eight million, six hundred eighteen thousand, six hundred fifty-seven".