32205152381 has 4 divisors (see below), whose sum is σ = 32205540000. Its totient is φ = 32204764764.

The previous prime is 32205152377. The next prime is 32205152467. The reversal of 32205152381 is 18325150223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 32205152381 - 2² = 32205152377 is a prime.

It is a super-2 number, since 2×32205152381² (a number of 22 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 (32205152081) 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, 12881 + ... + 254118.

It is an arithmetic number, because the mean of its divisors is an integer number (8051385000).

Almost surely, 2^32205152381 is an apocalyptic number.

It is an amenable number.

32205152381 is a deficient number, since it is larger than the sum of its proper divisors (387619).

32205152381 is a wasteful number, since it uses less digits than its factorization.

32205152381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387618.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 32205152381 in words is "thirty-two billion, two hundred five million, one hundred fifty-two thousand, three hundred eighty-one".