381651799303 has 8 divisors (see below), whose sum is σ = 391949556480. Its totient is φ = 371444771640.

The previous prime is 381651799283. The next prime is 381651799357. The reversal of 381651799303 is 303997156183.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 381651799303 - 2⁹ = 381651798791 is a prime.

It is a super-2 number, since 2×381651799303² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381651799003) 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, 22673853 + ... + 22690678.

It is an arithmetic number, because the mean of its divisors is an integer number (48993694560).

Almost surely, 2^381651799303 is an apocalyptic number.

381651799303 is a deficient number, since it is larger than the sum of its proper divisors (10297757177).

381651799303 is a wasteful number, since it uses less digits than its factorization.

381651799303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45364757.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The spelling of 381651799303 in words is "three hundred eighty-one billion, six hundred fifty-one million, seven hundred ninety-nine thousand, three hundred three".