381717037207 has 4 divisors (see below), whose sum is σ = 416418586056. Its totient is φ = 347015488360.

The previous prime is 381717037193. The next prime is 381717037231. The reversal of 381717037207 is 702730717183.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381717037207 is a prime.

It is a super-3 number, since 3×381717037207³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381717037237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17350774408 + ... + 17350774429.

It is an arithmetic number, because the mean of its divisors is an integer number (104104646514).

Almost surely, 2^381717037207 is an apocalyptic number.

381717037207 is a deficient number, since it is larger than the sum of its proper divisors (34701548849).

381717037207 is a wasteful number, since it uses less digits than its factorization.

381717037207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34701548848.

The product of its (nonzero) digits is 345744, while the sum is 46.

The spelling of 381717037207 in words is "three hundred eighty-one billion, seven hundred seventeen million, thirty-seven thousand, two hundred seven".