2381986071 has 6 divisors (see below), whose sum is σ = 3440646560. Its totient is φ = 1587990708.

The previous prime is 2381986069. The next prime is 2381986073. The reversal of 2381986071 is 1706891832.

2381986071 is a `hidden beast` number, since 2 + 38 + 1 + 9 + 8 + 607 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (2381986069) and next prime (2381986073).

It is not a de Polignac number, because 2381986071 - 2¹ = 2381986069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381986073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132332551 + ... + 132332568.

Almost surely, 2^2381986071 is an apocalyptic number.

2381986071 is a deficient number, since it is larger than the sum of its proper divisors (1058660489).

2381986071 is a wasteful number, since it uses less digits than its factorization.

2381986071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264665125 (or 264665122 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 2381986071 is about 48805.5946690541. The cubic root of 2381986071 is about 1335.5077292755.

The spelling of 2381986071 in words is "two billion, three hundred eighty-one million, nine hundred eighty-six thousand, seventy-one".