32810562381 has 4 divisors (see below), whose sum is σ = 43747416512. Its totient is φ = 21873708252.

The previous prime is 32810562373. The next prime is 32810562397. The reversal of 32810562381 is 18326501823.

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.

It is not a de Polignac number, because 32810562381 - 2³ = 32810562373 is a prime.

It is a super-2 number, since 2×32810562381² (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 (32810562481) 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, 5468427061 + ... + 5468427066.

It is an arithmetic number, because the mean of its divisors is an integer number (10936854128).

Almost surely, 2^32810562381 is an apocalyptic number.

It is an amenable number.

32810562381 is a deficient number, since it is larger than the sum of its proper divisors (10936854131).

32810562381 is a wasteful number, since it uses less digits than its factorization.

32810562381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10936854130.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 32810562381 in words is "thirty-two billion, eight hundred ten million, five hundred sixty-two thousand, three hundred eighty-one".