1349281090048 has 20 divisors (see below), whose sum is σ = 2695926866490. Its totient is φ = 674640544768.

The previous prime is 1349281090021. The next prime is 1349281090057. The reversal of 1349281090048 is 8400901829431.

It can be written as a sum of positive squares in only one way, i.e., 961560670464 + 387720419584 = 980592^2 + 622672^2 .

It is a super-2 number, since 2×1349281090048² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1349281089983 and 1349281090010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317656803 + ... + 1317657826.

Almost surely, 2^{1349281090048} is an apocalyptic number.

It is an amenable number.

1349281090048 is a deficient number, since it is larger than the sum of its proper divisors (1346645776442).

1349281090048 is an frugal number, since it uses more digits than its factorization.

1349281090048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635314647 (or 2635314631 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 1349281090048 in words is "one trillion, three hundred forty-nine billion, two hundred eighty-one million, ninety thousand, forty-eight".