93803864381 has 4 divisors (see below), whose sum is σ = 93804668700. Its totient is φ = 93803060064.

The previous prime is 93803864327. The next prime is 93803864383. The reversal of 93803864381 is 18346830839.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18346830839 = 41 ⋅447483679.

It can be written as a sum of positive squares in 2 ways, for example, as 21478368025 + 72325496356 = 146555^2 + 268934^2 .

It is a cyclic number.

It is not a de Polignac number, because 93803864381 - 2¹⁰ = 93803863357 is a prime.

It is a super-3 number, since 3×93803864381³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93803864383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189866 + ... + 472923.

It is an arithmetic number, because the mean of its divisors is an integer number (23451167175).

Almost surely, 2^93803864381 is an apocalyptic number.

It is an amenable number.

93803864381 is a deficient number, since it is larger than the sum of its proper divisors (804319).

93803864381 is a wasteful number, since it uses less digits than its factorization.

93803864381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804318.

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 93803864381 in words is "ninety-three billion, eight hundred three million, eight hundred sixty-four thousand, three hundred eighty-one".