1836545454897 has 8 divisors (see below), whose sum is σ = 2448970508160. Its totient is φ = 1224242019120.

The previous prime is 1836545454883. The next prime is 1836545454937. The reversal of 1836545454897 is 7984545456381.

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

It is not a de Polignac number, because 1836545454897 - 2⁶ = 1836545454833 is a prime.

It is a super-2 number, since 2×1836545454897² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1836545454847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30369129 + ... + 30429542.

It is an arithmetic number, because the mean of its divisors is an integer number (306121313520).

Almost surely, 2^{1836545454897} is an apocalyptic number.

It is an amenable number.

1836545454897 is a deficient number, since it is larger than the sum of its proper divisors (612425053263).

1836545454897 is a wasteful number, since it uses less digits than its factorization.

1836545454897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60808743.

The product of its digits is 580608000, while the sum is 69.

The spelling of 1836545454897 in words is "one trillion, eight hundred thirty-six billion, five hundred forty-five million, four hundred fifty-four thousand, eight hundred ninety-seven".