190289034490 has 8 divisors (see below), whose sum is σ = 342520262100. Its totient is φ = 76115613792.

The previous prime is 190289034487. The next prime is 190289034493. The reversal of 190289034490 is 94430982091.

It is an interprime number because it is at equal distance from previous prime (190289034487) and next prime (190289034493).

It can be written as a sum of positive squares in 2 ways, for example, as 189164974761 + 1124059729 = 434931^2 + 33527^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (190289034493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9514451715 + ... + 9514451734.

Almost surely, 2^190289034490 is an apocalyptic number.

190289034490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190289034490 is a deficient number, since it is larger than the sum of its proper divisors (152231227610).

190289034490 is a wasteful number, since it uses less digits than its factorization.

190289034490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19028903456.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 190289034490 in words is "one hundred ninety billion, two hundred eighty-nine million, thirty-four thousand, four hundred ninety".