3874701506531 has 4 divisors (see below), whose sum is σ = 3874707897864. Its totient is φ = 3874695115200.

The previous prime is 3874701506509. The next prime is 3874701506563. The reversal of 3874701506531 is 1356051074783.

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 3874701506531 - 2¹⁴ = 3874701490147 is a prime.

It is a super-2 number, since 2×3874701506531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3874701506531.

It is not an unprimeable number, because it can be changed into a prime (3874701505531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2178350 + ... + 3534771.

It is an arithmetic number, because the mean of its divisors is an integer number (968676974466).

Almost surely, 2^{3874701506531} is an apocalyptic number.

3874701506531 is a deficient number, since it is larger than the sum of its proper divisors (6391333).

3874701506531 is an equidigital number, since it uses as much as digits as its factorization.

3874701506531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6391332.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 3874701506531 in words is "three trillion, eight hundred seventy-four billion, seven hundred one million, five hundred six thousand, five hundred thirty-one".