19464267479 has 2 divisors, whose sum is σ = 19464267480. Its totient is φ = 19464267478.

The previous prime is 19464267467. The next prime is 19464267499. The reversal of 19464267479 is 97476246491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19464267479 - 2⁴ = 19464267463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19464267499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9732133739 + 9732133740.

It is an arithmetic number, because the mean of its divisors is an integer number (9732133740).

Almost surely, 2^19464267479 is an apocalyptic number.

19464267479 is a deficient number, since it is larger than the sum of its proper divisors (1).

19464267479 is an equidigital number, since it uses as much as digits as its factorization.

19464267479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18289152, while the sum is 59.

The spelling of 19464267479 in words is "nineteen billion, four hundred sixty-four million, two hundred sixty-seven thousand, four hundred seventy-nine".