38049013 has 4 divisors (see below), whose sum is σ = 38476620. Its totient is φ = 37621408.

The previous prime is 38048993. The next prime is 38049029. The reversal of 38049013 is 31094083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31094083 = 233 ⋅133451.

It can be written as a sum of positive squares in 2 ways, for example, as 21743569 + 16305444 = 4663^2 + 4038^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38049013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38049083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213670 + ... + 213847.

It is an arithmetic number, because the mean of its divisors is an integer number (9619155).

Almost surely, 2^38049013 is an apocalyptic number.

It is an amenable number.

38049013 is a deficient number, since it is larger than the sum of its proper divisors (427607).

38049013 is an equidigital number, since it uses as much as digits as its factorization.

38049013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427606.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 38049013 is about 6168.3882011430. The cubic root of 38049013 is about 336.3420228780.

The spelling of 38049013 in words is "thirty-eight million, forty-nine thousand, thirteen".