213901881741 has 12 divisors (see below), whose sum is σ = 310068923580. Its totient is φ = 142093775040.

The previous prime is 213901881737. The next prime is 213901881773. The reversal of 213901881741 is 147188109312.

It is a happy number.

213901881741 is a `hidden beast` number, since 213 + 90 + 188 + 174 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 79385316516 + 134516565225 = 281754^2 + 366765^2 .

It is not a de Polignac number, because 213901881741 - 2² = 213901881737 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213901881701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42287286 + ... + 42292343.

It is an arithmetic number, because the mean of its divisors is an integer number (25839076965).

Almost surely, 2^213901881741 is an apocalyptic number.

It is an amenable number.

213901881741 is a deficient number, since it is larger than the sum of its proper divisors (96167041839).

213901881741 is a wasteful number, since it uses less digits than its factorization.

213901881741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84579916 (or 84579913 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 213901881741 in words is "two hundred thirteen billion, nine hundred one million, eight hundred eighty-one thousand, seven hundred forty-one".