1313365550406 has 32 divisors (see below), whose sum is σ = 3232899817728. Its totient is φ = 346382123040.

The previous prime is 1313365550389. The next prime is 1313365550417. The reversal of 1313365550406 is 6040555633131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

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, 1202715160 + ... + 1202716251.

It is an arithmetic number, because the mean of its divisors is an integer number (101028119304).

Almost surely, 2^{1313365550406} is an apocalyptic number.

1313365550406 is an abundant number, since it is smaller than the sum of its proper divisors (1919534267322).

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

1313365550406 is a wasteful number, since it uses less digits than its factorization.

1313365550406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405431436.

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 1313365550406 in words is "one trillion, three hundred thirteen billion, three hundred sixty-five million, five hundred fifty thousand, four hundred six".