19826077453 has 16 divisors (see below), whose sum is σ = 24461032960. Its totient is φ = 15648183936.

The previous prime is 19826077429. The next prime is 19826077457. The reversal of 19826077453 is 35477062891.

It is not a de Polignac number, because 19826077453 - 2¹⁷ = 19825946381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19826077453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19826077457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229125 + ... + 303562.

It is an arithmetic number, because the mean of its divisors is an integer number (1528814560).

It is a 1-persistent number, because it is pandigital, but 2⋅19826077453 = 39652154906 is not.

Almost surely, 2^19826077453 is an apocalyptic number.

19826077453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19826077453 is a deficient number, since it is larger than the sum of its proper divisors (4634955507).

19826077453 is a wasteful number, since it uses less digits than its factorization.

19826077453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533116.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 19826077453 in words is "nineteen billion, eight hundred twenty-six million, seventy-seven thousand, four hundred fifty-three".