3871802051 has 4 divisors (see below), whose sum is σ = 4169632992. Its totient is φ = 3573971112.

The previous prime is 3871802029. The next prime is 3871802059. The reversal of 3871802051 is 1502081783.

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

It is a cyclic number.

It is not a de Polignac number, because 3871802051 - 2⁶ = 3871801987 is a prime.

It is a super-2 number, since 2×3871802051² = 29981702244255613202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3871802059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148915451 + ... + 148915476.

It is an arithmetic number, because the mean of its divisors is an integer number (1042408248).

Almost surely, 2^3871802051 is an apocalyptic number.

3871802051 is a deficient number, since it is larger than the sum of its proper divisors (297830941).

3871802051 is a wasteful number, since it uses less digits than its factorization.

3871802051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297830940.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 3871802051 is about 62223.8061436296. The cubic root of 3871802051 is about 1570.2581223267.

The spelling of 3871802051 in words is "three billion, eight hundred seventy-one million, eight hundred two thousand, fifty-one".