38781264851603 has 4 divisors (see below), whose sum is σ = 38794353367848. Its totient is φ = 38768176335360.

The previous prime is 38781264851551. The next prime is 38781264851621. The reversal of 38781264851603 is 30615846218783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38781264851603 - 2⁸ = 38781264851347 is a prime.

It is a super-3 number, since 3×38781264851603³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38781261851603) 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, 6544253678 + ... + 6544259603.

It is an arithmetic number, because the mean of its divisors is an integer number (9698588341962).

Almost surely, 2^{38781264851603} is an apocalyptic number.

38781264851603 is a deficient number, since it is larger than the sum of its proper divisors (13088516245).

38781264851603 is a wasteful number, since it uses less digits than its factorization.

38781264851603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13088516244.

The product of its (nonzero) digits is 46448640, while the sum is 62.

The spelling of 38781264851603 in words is "thirty-eight trillion, seven hundred eighty-one billion, two hundred sixty-four million, eight hundred fifty-one thousand, six hundred three".