3813071273487 has 16 divisors (see below), whose sum is σ = 6455993690880. Its totient is φ = 2178897870456.

The previous prime is 3813071273447. The next prime is 3813071273491. The reversal of 3813071273487 is 7843721703183.

3813071273487 is a `hidden beast` number, since 3 + 8 + 1 + 30 + 7 + 127 + 3 + 487 = 666.

It is not a de Polignac number, because 3813071273487 - 2⁶ = 3813071273423 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813071273447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10087489953 + ... + 10087490330.

It is an arithmetic number, because the mean of its divisors is an integer number (403499605680).

Almost surely, 2^{3813071273487} is an apocalyptic number.

3813071273487 is a deficient number, since it is larger than the sum of its proper divisors (2642922417393).

3813071273487 is a wasteful number, since it uses less digits than its factorization.

3813071273487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20174980299 (or 20174980293 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 3813071273487 in words is "three trillion, eight hundred thirteen billion, seventy-one million, two hundred seventy-three thousand, four hundred eighty-seven".