3145719338405 has 24 divisors (see below), whose sum is σ = 4391245062648. Its totient is φ = 2157026540928.

The previous prime is 3145719338353. The next prime is 3145719338429. The reversal of 3145719338405 is 5048339175413.

It can be written as a sum of positive squares in 4 ways, for example, as 2181487644196 + 964231694209 = 1476986^2 + 981953^2 .

It is not a de Polignac number, because 3145719338405 - 2¹⁰ = 3145719337381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26006927 + ... + 26127603.

It is an arithmetic number, because the mean of its divisors is an integer number (182968544277).

Almost surely, 2^{3145719338405} is an apocalyptic number.

3145719338405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3145719338405 is a deficient number, since it is larger than the sum of its proper divisors (1245525724243).

3145719338405 is a wasteful number, since it uses less digits than its factorization.

3145719338405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227093 (or 227086 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 3145719338405 in words is "three trillion, one hundred forty-five billion, seven hundred nineteen million, three hundred thirty-eight thousand, four hundred five".