1313435643546 has 32 divisors (see below), whose sum is σ = 2843749536768. Its totient is φ = 402018154560.

The previous prime is 1313435643539. The next prime is 1313435643589. The reversal of 1313435643546 is 6453465343131.

It is a happy number.

It is a super-2 number, since 2×1313435643546² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313435643495 and 1313435643504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44066041 + ... + 44095836.

It is an arithmetic number, because the mean of its divisors is an integer number (88867173024).

Almost surely, 2^{1313435643546} is an apocalyptic number.

1313435643546 is an abundant number, since it is smaller than the sum of its proper divisors (1530313893222).

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

1313435643546 is a wasteful number, since it uses less digits than its factorization.

1313435643546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88162086.

The product of its digits is 4665600, while the sum is 48.

The spelling of 1313435643546 in words is "one trillion, three hundred thirteen billion, four hundred thirty-five million, six hundred forty-three thousand, five hundred forty-six".