38653780940019 has 80 divisors (see below), whose sum is σ = 66045642572800. Its totient is φ = 22069572253056.

The previous prime is 38653780940003. The next prime is 38653780940023. The reversal of 38653780940019 is 91004908735683.

38653780940019 is a `hidden beast` number, since 3 + 8 + 6 + 537 + 8 + 0 + 94 + 0 + 0 + 1 + 9 = 666.

It is not a de Polignac number, because 38653780940019 - 2⁴ = 38653780940003 is a prime.

It is a super-2 number, since 2×38653780940019² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38653780940069) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6688659672 + ... + 6688665450.

It is an arithmetic number, because the mean of its divisors is an integer number (825570532160).

Almost surely, 2^{38653780940019} is an apocalyptic number.

38653780940019 is a deficient number, since it is larger than the sum of its proper divisors (27391861632781).

38653780940019 is a wasteful number, since it uses less digits than its factorization.

38653780940019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13534 (or 13525 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 38653780940019 in words is "thirty-eight trillion, six hundred fifty-three billion, seven hundred eighty million, nine hundred forty thousand, nineteen".