189097145513 has 4 divisors (see below), whose sum is σ = 189102237780. Its totient is φ = 189092053248.

The previous prime is 189097145443. The next prime is 189097145557. The reversal of 189097145513 is 315541790981.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94610377744 + 94486767769 = 307588^2 + 307387^2 .

It is a cyclic number.

It is not a de Polignac number, because 189097145513 - 2¹² = 189097141417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189097145813) 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, 2490020 + ... + 2564837.

It is an arithmetic number, because the mean of its divisors is an integer number (47275559445).

Almost surely, 2^189097145513 is an apocalyptic number.

It is an amenable number.

189097145513 is a deficient number, since it is larger than the sum of its proper divisors (5092267).

189097145513 is an equidigital number, since it uses as much as digits as its factorization.

189097145513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092266.

The product of its (nonzero) digits is 1360800, while the sum is 53.

The spelling of 189097145513 in words is "one hundred eighty-nine billion, ninety-seven million, one hundred forty-five thousand, five hundred thirteen".