3871474537 has 4 divisors (see below), whose sum is σ = 4424542336. Its totient is φ = 3318406740.

The previous prime is 3871474511. The next prime is 3871474577. The reversal of 3871474537 is 7354741783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7354741783 = 27953 ⋅263111.

It is a cyclic number.

It is not a de Polignac number, because 3871474537 - 2¹¹ = 3871472489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3871474577) 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, 276533889 + ... + 276533902.

It is an arithmetic number, because the mean of its divisors is an integer number (1106135584).

Almost surely, 2^3871474537 is an apocalyptic number.

It is an amenable number.

3871474537 is a deficient number, since it is larger than the sum of its proper divisors (553067799).

3871474537 is an equidigital number, since it uses as much as digits as its factorization.

3871474537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553067798.

The product of its digits is 1975680, while the sum is 49.

The square root of 3871474537 is about 62221.1743460375. The cubic root of 3871474537 is about 1570.2138452679.

The spelling of 3871474537 in words is "three billion, eight hundred seventy-one million, four hundred seventy-four thousand, five hundred thirty-seven".