19001479247 has 2 divisors, whose sum is σ = 19001479248. Its totient is φ = 19001479246.

The previous prime is 19001479223. The next prime is 19001479253. The reversal of 19001479247 is 74297410091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19001479247 - 2¹⁴ = 19001462863 is a prime.

It is a super-2 number, since 2×19001479247² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19001479198 and 19001479207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19001409247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9500739623 + 9500739624.

It is an arithmetic number, because the mean of its divisors is an integer number (9500739624).

Almost surely, 2^19001479247 is an apocalyptic number.

19001479247 is a deficient number, since it is larger than the sum of its proper divisors (1).

19001479247 is an equidigital number, since it uses as much as digits as its factorization.

19001479247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 44.

The spelling of 19001479247 in words is "nineteen billion, one million, four hundred seventy-nine thousand, two hundred forty-seven".