1239742648363 has 8 divisors (see below), whose sum is σ = 1313607002400. Its totient is φ = 1165982551680.

The previous prime is 1239742648351. The next prime is 1239742648367. The reversal of 1239742648363 is 3638462479321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1239742648363 - 2³³ = 1231152713771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1239742648298 and 1239742648307.

It is not an unprimeable number, because it can be changed into a prime (1239742648367) 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 7 ways as a sum of consecutive naturals, for example, 26039848 + ... + 26087413.

It is an arithmetic number, because the mean of its divisors is an integer number (164200875300).

Almost surely, 2^{1239742648363} is an apocalyptic number.

1239742648363 is a deficient number, since it is larger than the sum of its proper divisors (73864354037).

1239742648363 is a wasteful number, since it uses less digits than its factorization.

1239742648363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52128677.

The product of its digits is 31352832, while the sum is 58.

The spelling of 1239742648363 in words is "one trillion, two hundred thirty-nine billion, seven hundred forty-two million, six hundred forty-eight thousand, three hundred sixty-three".