3432437527681 has 4 divisors (see below), whose sum is σ = 3581673941952. Its totient is φ = 3283201113412.

The previous prime is 3432437527627. The next prime is 3432437527703. The reversal of 3432437527681 is 1867257342343.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3432437527681 is a prime.

It is a super-2 number, since 2×3432437527681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3432437522681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74618207101 + ... + 74618207146.

It is an arithmetic number, because the mean of its divisors is an integer number (895418485488).

Almost surely, 2^{3432437527681} is an apocalyptic number.

It is an amenable number.

3432437527681 is a deficient number, since it is larger than the sum of its proper divisors (149236414271).

3432437527681 is a wasteful number, since it uses less digits than its factorization.

3432437527681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149236414270.

The product of its digits is 20321280, while the sum is 55.

The spelling of 3432437527681 in words is "three trillion, four hundred thirty-two billion, four hundred thirty-seven million, five hundred twenty-seven thousand, six hundred eighty-one".