19106972415 has 32 divisors (see below), whose sum is σ = 33973848000. Its totient is φ = 10188616320.

The previous prime is 19106972411. The next prime is 19106972441. The reversal of 19106972415 is 51427960191.

It is not a de Polignac number, because 19106972415 - 2² = 19106972411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19106972411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1237161 + ... + 1252509.

It is an arithmetic number, because the mean of its divisors is an integer number (1061682750).

Almost surely, 2^19106972415 is an apocalyptic number.

19106972415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19106972415 is a deficient number, since it is larger than the sum of its proper divisors (14866875585).

19106972415 is a wasteful number, since it uses less digits than its factorization.

19106972415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24584 (or 24578 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 19106972415 in words is "nineteen billion, one hundred six million, nine hundred seventy-two thousand, four hundred fifteen".