19246868085 has 24 divisors (see below), whose sum is σ = 30860560224. Its totient is φ = 10243185120.

The previous prime is 19246868063. The next prime is 19246868107. The reversal of 19246868085 is 58086864291.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (19246868063) and next prime (19246868107).

It is not a de Polignac number, because 19246868085 - 2⁷ = 19246867957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4100590 + ... + 4105280.

It is an arithmetic number, because the mean of its divisors is an integer number (1285856676).

Almost surely, 2^19246868085 is an apocalyptic number.

19246868085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19246868085 is a deficient number, since it is larger than the sum of its proper divisors (11613692139).

19246868085 is an frugal number, since it uses more digits than its factorization.

19246868085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5745 (or 5222 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 57.

The spelling of 19246868085 in words is "nineteen billion, two hundred forty-six million, eight hundred sixty-eight thousand, eighty-five".