3423512731644 has 36 divisors (see below), whose sum is σ = 8654228124360. Its totient is φ = 1141124925600.

The previous prime is 3423512731633. The next prime is 3423512731657. The reversal of 3423512731644 is 4461372153243.

3423512731644 is a `hidden beast` number, since 3 + 4 + 2 + 3 + 512 + 73 + 1 + 64 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3423512731644.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1004307 + ... + 2802794.

Almost surely, 2^{3423512731644} is an apocalyptic number.

It is an amenable number.

3423512731644 is an abundant number, since it is smaller than the sum of its proper divisors (5230715392716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3423512731644 is a wasteful number, since it uses less digits than its factorization.

3423512731644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832090 (or 3832085 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

Adding to 3423512731644 its reverse (4461372153243), we get a palindrome (7884884884887).

The spelling of 3423512731644 in words is "three trillion, four hundred twenty-three billion, five hundred twelve million, seven hundred thirty-one thousand, six hundred forty-four".