1279319958050 has 12 divisors (see below), whose sum is σ = 2379535122066. Its totient is φ = 511727983200.

The previous prime is 1279319958047. The next prime is 1279319958113. The reversal of 1279319958050 is 508599139721.

It can be written as a sum of positive squares in 3 ways, for example, as 571461914401 + 707858043649 = 755951^2 + 841343^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12793199531 + ... + 12793199630.

Almost surely, 2^{1279319958050} is an apocalyptic number.

1279319958050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1279319958050 is a deficient number, since it is larger than the sum of its proper divisors (1100215164016).

1279319958050 is a wasteful number, since it uses less digits than its factorization.

1279319958050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25586399173 (or 25586399168 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 59.

The spelling of 1279319958050 in words is "one trillion, two hundred seventy-nine billion, three hundred nineteen million, nine hundred fifty-eight thousand, fifty".