381837291101 has 32 divisors (see below), whose sum is σ = 471267901440. Its totient is φ = 302431305600.

The previous prime is 381837291083. The next prime is 381837291109. The reversal of 381837291101 is 101192738183.

It is a cyclic number.

It is not a de Polignac number, because 381837291101 - 2¹⁴ = 381837274717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381837291109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38411 + ... + 874728.

It is an arithmetic number, because the mean of its divisors is an integer number (14727121920).

Almost surely, 2^381837291101 is an apocalyptic number.

381837291101 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

381837291101 is a deficient number, since it is larger than the sum of its proper divisors (89430610339).

381837291101 is a wasteful number, since it uses less digits than its factorization.

381837291101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913265.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 381837291101 in words is "three hundred eighty-one billion, eight hundred thirty-seven million, two hundred ninety-one thousand, one hundred one".