383774001381 has 16 divisors (see below), whose sum is σ = 593273819520. Its totient is φ = 244725449760.

The previous prime is 383774001361. The next prime is 383774001389. The reversal of 383774001381 is 183100477383.

It is not a de Polignac number, because 383774001381 - 2⁵ = 383774001349 is a prime.

It is a super-2 number, since 2×383774001381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383774001389) 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, 308996160 + ... + 308997401.

It is an arithmetic number, because the mean of its divisors is an integer number (37079613720).

Almost surely, 2^383774001381 is an apocalyptic number.

It is an amenable number.

383774001381 is a deficient number, since it is larger than the sum of its proper divisors (209499818139).

383774001381 is a wasteful number, since it uses less digits than its factorization.

383774001381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617993593 (or 617993587 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 383774001381 in words is "three hundred eighty-three billion, seven hundred seventy-four million, one thousand, three hundred eighty-one".