1423764849659 has 4 divisors (see below), whose sum is σ = 1425314105040. Its totient is φ = 1422215594280.

The previous prime is 1423764849643. The next prime is 1423764849667. The reversal of 1423764849659 is 9569484673241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1423764849659 - 2⁴ = 1423764849643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423761849659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774626312 + ... + 774628149.

It is an arithmetic number, because the mean of its divisors is an integer number (356328526260).

Almost surely, 2^{1423764849659} is an apocalyptic number.

1423764849659 is a deficient number, since it is larger than the sum of its proper divisors (1549255381).

1423764849659 is an equidigital number, since it uses as much as digits as its factorization.

1423764849659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549255380.

The product of its digits is 313528320, while the sum is 68.

The spelling of 1423764849659 in words is "one trillion, four hundred twenty-three billion, seven hundred sixty-four million, eight hundred forty-nine thousand, six hundred fifty-nine".