4037813381081 has 8 divisors (see below), whose sum is σ = 4211035175424. Its totient is φ = 3867277196160.

The previous prime is 4037813381051. The next prime is 4037813381089. The reversal of 4037813381081 is 1801833187304.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4037813381081 is a prime.

It is a super-2 number, since 2×4037813381081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4037813381089) 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, 671399285 + ... + 671405298.

It is an arithmetic number, because the mean of its divisors is an integer number (526379396928).

Almost surely, 2^{4037813381081} is an apocalyptic number.

It is an amenable number.

4037813381081 is a deficient number, since it is larger than the sum of its proper divisors (173221794343).

4037813381081 is a wasteful number, since it uses less digits than its factorization.

4037813381081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342804711.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 4037813381081 in words is "four trillion, thirty-seven billion, eight hundred thirteen million, three hundred eighty-one thousand, eighty-one".