3405326537431 has 32 divisors (see below), whose sum is σ = 4347064729728. Its totient is φ = 2595548966400.

The previous prime is 3405326537429. The next prime is 3405326537447. The reversal of 3405326537431 is 1347356235043.

It is a happy number.

It is not a de Polignac number, because 3405326537431 - 2¹ = 3405326537429 is a prime.

It is a super-2 number, since 2×3405326537431² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405326537411) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4666780 + ... + 5346913.

It is an arithmetic number, because the mean of its divisors is an integer number (135845772804).

Almost surely, 2^{3405326537431} is an apocalyptic number.

3405326537431 is a deficient number, since it is larger than the sum of its proper divisors (941738192297).

3405326537431 is a wasteful number, since it uses less digits than its factorization.

3405326537431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10013851.

The product of its (nonzero) digits is 2721600, while the sum is 46.

The spelling of 3405326537431 in words is "three trillion, four hundred five billion, three hundred twenty-six million, five hundred thirty-seven thousand, four hundred thirty-one".