1242035449863 has 64 divisors (see below), whose sum is σ = 1880037003264. Its totient is φ = 724090752000.

The previous prime is 1242035449847. The next prime is 1242035449871. The reversal of 1242035449863 is 3689445302421.

It is not a de Polignac number, because 1242035449863 - 2⁴ = 1242035449847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242035449813) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 15521131 + ... + 15600947.

It is an arithmetic number, because the mean of its divisors is an integer number (29375578176).

Almost surely, 2^{1242035449863} is an apocalyptic number.

1242035449863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1242035449863 is a deficient number, since it is larger than the sum of its proper divisors (638001553401).

1242035449863 is a wasteful number, since it uses less digits than its factorization.

1242035449863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80136.

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 1242035449863 in words is "one trillion, two hundred forty-two billion, thirty-five million, four hundred forty-nine thousand, eight hundred sixty-three".