189465301453 has 6 divisors (see below), whose sum is σ = 196223874314. Its totient is φ = 182932014384.

The previous prime is 189465301397. The next prime is 189465301457. The reversal of 189465301453 is 354103564981.

It can be written as a sum of positive squares in 3 ways, for example, as 49890583044 + 139574718409 = 223362^2 + 373597^2 .

It is not a de Polignac number, because 189465301453 - 2¹³ = 189465293261 is a prime.

It is a super-2 number, since 2×189465301453² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189465301397 and 189465301406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189465301457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112642026 + ... + 112643707.

Almost surely, 2^189465301453 is an apocalyptic number.

It is an amenable number.

189465301453 is a deficient number, since it is larger than the sum of its proper divisors (6758572861).

189465301453 is an equidigital number, since it uses as much as digits as its factorization.

189465301453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225285791 (or 225285762 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 189465301453 in words is "one hundred eighty-nine billion, four hundred sixty-five million, three hundred one thousand, four hundred fifty-three".