38208057549 has 16 divisors (see below), whose sum is σ = 53945673408. Its totient is φ = 23971511552.

The previous prime is 38208057533. The next prime is 38208057557. The reversal of 38208057549 is 94575080283.

It is a cyclic number.

It is not a de Polignac number, because 38208057549 - 2⁴ = 38208057533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38208057509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 680734 + ... + 734720.

It is an arithmetic number, because the mean of its divisors is an integer number (3371604588).

Almost surely, 2^38208057549 is an apocalyptic number.

It is an amenable number.

38208057549 is a deficient number, since it is larger than the sum of its proper divisors (15737615859).

38208057549 is a wasteful number, since it uses less digits than its factorization.

38208057549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67884.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 38208057549 in words is "thirty-eight billion, two hundred eight million, fifty-seven thousand, five hundred forty-nine".