38745019719 has 48 divisors (see below), whose sum is σ = 68066526528. Its totient is φ = 20731769856.

The previous prime is 38745019717. The next prime is 38745019741. The reversal of 38745019719 is 91791054783.

It is a happy number.

38745019719 is a `hidden beast` number, since 38 + 7 + 4 + 501 + 97 + 19 = 666.

It is not a de Polignac number, because 38745019719 - 2¹ = 38745019717 is a prime.

It is a super-2 number, since 2×38745019719² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38745019717) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119169 + ... + 302805.

It is an arithmetic number, because the mean of its divisors is an integer number (1418052636).

Almost surely, 2^38745019719 is an apocalyptic number.

38745019719 is a deficient number, since it is larger than the sum of its proper divisors (29321506809).

38745019719 is a wasteful number, since it uses less digits than its factorization.

38745019719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183864 (or 183861 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 38745019719 in words is "thirty-eight billion, seven hundred forty-five million, nineteen thousand, seven hundred nineteen".