3427967215989 has 12 divisors (see below), whose sum is σ = 4951602361836. Its totient is φ = 2285268018432.

The previous prime is 3427967215979. The next prime is 3427967216029. The reversal of 3427967215989 is 9895127697243.

3427967215989 is a `hidden beast` number, since 3 + 4 + 2 + 7 + 9 + 6 + 7 + 21 + 598 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3047206640625 + 380760575364 = 1745625^2 + 617058^2 .

It is not a de Polignac number, because 3427967215989 - 2²⁹ = 3427430345077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3427967215969) 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, 3118332 + ... + 4071845.

It is an arithmetic number, because the mean of its divisors is an integer number (412633530153).

Almost surely, 2^{3427967215989} is an apocalyptic number.

It is an amenable number.

3427967215989 is a deficient number, since it is larger than the sum of its proper divisors (1523635145847).

3427967215989 is a wasteful number, since it uses less digits than its factorization.

3427967215989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7243156 (or 7243153 counting only the distinct ones).

The product of its digits is 411505920, while the sum is 72.

The spelling of 3427967215989 in words is "three trillion, four hundred twenty-seven billion, nine hundred sixty-seven million, two hundred fifteen thousand, nine hundred eighty-nine".