3851345141281 has 16 divisors (see below), whose sum is σ = 4455126059328. Its totient is φ = 3290443763200.

The previous prime is 3851345141219. The next prime is 3851345141291. The reversal of 3851345141281 is 1821415431583.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3851345141281 is a prime.

It is a super-2 number, since 2×3851345141281² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3851345141291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14949460 + ... + 15204901.

It is an arithmetic number, because the mean of its divisors is an integer number (278445378708).

Almost surely, 2^{3851345141281} is an apocalyptic number.

It is an amenable number.

3851345141281 is a deficient number, since it is larger than the sum of its proper divisors (603780918047).

3851345141281 is a wasteful number, since it uses less digits than its factorization.

3851345141281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30155072.

The product of its digits is 460800, while the sum is 46.

The spelling of 3851345141281 in words is "three trillion, eight hundred fifty-one billion, three hundred forty-five million, one hundred forty-one thousand, two hundred eighty-one".