1315949404442 has 16 divisors (see below), whose sum is σ = 1998964544640. Its totient is φ = 649628340192.

The previous prime is 1315949404423. The next prime is 1315949404481. The reversal of 1315949404442 is 2444049495131.

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 in 7 ways as a sum of consecutive naturals, for example, 7278713 + ... + 7457315.

It is an arithmetic number, because the mean of its divisors is an integer number (124935284040).

Almost surely, 2^{1315949404442} is an apocalyptic number.

1315949404442 is a deficient number, since it is larger than the sum of its proper divisors (683015140198).

1315949404442 is a wasteful number, since it uses less digits than its factorization.

1315949404442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225317.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 1315949404442 in words is "one trillion, three hundred fifteen billion, nine hundred forty-nine million, four hundred four thousand, four hundred forty-two".