3981848560851 has 8 divisors (see below), whose sum is σ = 6067578759424. Its totient is φ = 2275342034760.

The previous prime is 3981848560843. The next prime is 3981848560913. The reversal of 3981848560851 is 1580658481893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3981848560851 - 2³ = 3981848560843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3981848560831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94805918095 + ... + 94805918136.

It is an arithmetic number, because the mean of its divisors is an integer number (758447344928).

Almost surely, 2^{3981848560851} is an apocalyptic number.

3981848560851 is a deficient number, since it is larger than the sum of its proper divisors (2085730198573).

3981848560851 is a wasteful number, since it uses less digits than its factorization.

3981848560851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189611836241.

The product of its (nonzero) digits is 66355200, while the sum is 66.

The spelling of 3981848560851 in words is "three trillion, nine hundred eighty-one billion, eight hundred forty-eight million, five hundred sixty thousand, eight hundred fifty-one".