19413009385 has 48 divisors (see below), whose sum is σ = 29650119552. Its totient is φ = 12101040000.

The previous prime is 19413009361. The next prime is 19413009409. The reversal of 19413009385 is 58390031491.

It is an interprime number because it is at equal distance from previous prime (19413009361) and next prime (19413009409).

It is not a de Polignac number, because 19413009385 - 2¹⁹ = 19412485097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 913885 + ... + 934885.

It is an arithmetic number, because the mean of its divisors is an integer number (617710824).

Almost surely, 2^19413009385 is an apocalyptic number.

It is an amenable number.

19413009385 is a deficient number, since it is larger than the sum of its proper divisors (10237110167).

19413009385 is an frugal number, since it uses more digits than its factorization.

19413009385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21052 (or 21024 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 19413009385 in words is "nineteen billion, four hundred thirteen million, nine thousand, three hundred eighty-five".