1836368705 has 16 divisors (see below), whose sum is σ = 2242142208. Its totient is φ = 1443480000.

The previous prime is 1836368701. The next prime is 1836368761. The reversal of 1836368705 is 5078636381.

It is a happy number.

It is not a de Polignac number, because 1836368705 - 2² = 1836368701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1836368705.

It is not an unprimeable number, because it can be changed into a prime (1836368701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348440 + ... + 353670.

It is an arithmetic number, because the mean of its divisors is an integer number (140133888).

Almost surely, 2^1836368705 is an apocalyptic number.

It is an amenable number.

1836368705 is a deficient number, since it is larger than the sum of its proper divisors (405773503).

1836368705 is a wasteful number, since it uses less digits than its factorization.

1836368705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6448.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 1836368705 is about 42852.8727741793. The cubic root of 1836368705 is about 1224.5784927711.

The spelling of 1836368705 in words is "one billion, eight hundred thirty-six million, three hundred sixty-eight thousand, seven hundred five".