19012654059 has 32 divisors (see below), whose sum is σ = 30279696384. Its totient is φ = 10375374240.

The previous prime is 19012654049. The next prime is 19012654079. The reversal of 19012654059 is 95045621091.

It is not a de Polignac number, because 19012654059 - 2⁷ = 19012653931 is a prime.

It is a super-2 number, since 2×19012654059² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19012654059.

It is not an unprimeable number, because it can be changed into a prime (19012654049) 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, 273582 + ... + 335964.

It is an arithmetic number, because the mean of its divisors is an integer number (946240512).

Almost surely, 2^19012654059 is an apocalyptic number.

19012654059 is a deficient number, since it is larger than the sum of its proper divisors (11267042325).

19012654059 is a wasteful number, since it uses less digits than its factorization.

19012654059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63047.

The product of its (nonzero) digits is 97200, while the sum is 42.

The spelling of 19012654059 in words is "nineteen billion, twelve million, six hundred fifty-four thousand, fifty-nine".