38704038660049 has 9 divisors (see below), whose sum is σ = 45023116038921. Its totient is φ = 33174852952500.

The previous prime is 38704038660037. The next prime is 38704038660103. The reversal of 38704038660049 is 94006683040783.

The square root of 38704038660049 is 6221257.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 38704038660049 - 2²¹ = 38704036562897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38704038659975 and 38704038660002.

It is not an unprimeable number, because it can be changed into a prime (38704038060049) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 43104424 + ... + 43993174.

It is an arithmetic number, because the mean of its divisors is an integer number (5002568448769).

Almost surely, 2^{38704038660049} is an apocalyptic number.

38704038660049 is the 6221257-th square number.

38704038660049 is the 3110629-th centered octagonal number.

It is an amenable number.

38704038660049 is a deficient number, since it is larger than the sum of its proper divisors (6319077378872).

38704038660049 is an frugal number, since it uses more digits than its factorization.

38704038660049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777516 (or 888758 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 58.

The spelling of 38704038660049 in words is "thirty-eight trillion, seven hundred four billion, thirty-eight million, six hundred sixty thousand, forty-nine".