1276550849346 has 16 divisors (see below), whose sum is σ = 2601273429504. Its totient is φ = 417488327984.

The previous prime is 1276550849341. The next prime is 1276550849347. The reversal of 1276550849346 is 6439480556721.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1276550849346.

It is not an unprimeable number, because it can be changed into a prime (1276550849341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2007155106 + ... + 2007155741.

It is an arithmetic number, because the mean of its divisors is an integer number (162579589344).

It is a 1-persistent number, because it is pandigital, but 2⋅1276550849346 = 2553101698692 is not.

Almost surely, 2^{1276550849346} is an apocalyptic number.

1276550849346 is an abundant number, since it is smaller than the sum of its proper divisors (1324722580158).

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

1276550849346 is a wasteful number, since it uses less digits than its factorization.

1276550849346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014310905.

The product of its (nonzero) digits is 43545600, while the sum is 60.

The spelling of 1276550849346 in words is "one trillion, two hundred seventy-six billion, five hundred fifty million, eight hundred forty-nine thousand, three hundred forty-six".