1836495440051 has 4 divisors (see below), whose sum is σ = 1836499011912. Its totient is φ = 1836491868192.

The previous prime is 1836495440047. The next prime is 1836495440077. The reversal of 1836495440051 is 1500445946381.

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

It is a cyclic number.

It is not a de Polignac number, because 1836495440051 - 2² = 1836495440047 is a prime.

It is a super-2 number, since 2×1836495440051² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1836495442051) 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, 851846 + ... + 2097291.

It is an arithmetic number, because the mean of its divisors is an integer number (459124752978).

Almost surely, 2^{1836495440051} is an apocalyptic number.

1836495440051 is a deficient number, since it is larger than the sum of its proper divisors (3571861).

1836495440051 is an equidigital number, since it uses as much as digits as its factorization.

1836495440051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571860.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 1836495440051 in words is "one trillion, eight hundred thirty-six billion, four hundred ninety-five million, four hundred forty thousand, fifty-one".