190542728019 has 64 divisors (see below), whose sum is σ = 302400327680. Its totient is φ = 104458273920.

The previous prime is 190542728011. The next prime is 190542728023. The reversal of 190542728019 is 910827245091.

It is a happy number.

It is not a de Polignac number, because 190542728019 - 2³ = 190542728011 is a prime.

It is a super-2 number, since 2×190542728019² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190542728011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47314284 + ... + 47318310.

It is an arithmetic number, because the mean of its divisors is an integer number (4725005120).

Almost surely, 2^190542728019 is an apocalyptic number.

190542728019 is a deficient number, since it is larger than the sum of its proper divisors (111857599661).

190542728019 is a wasteful number, since it uses less digits than its factorization.

190542728019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000.

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 190542728019 in words is "one hundred ninety billion, five hundred forty-two million, seven hundred twenty-eight thousand, nineteen".