1836336401 has 2 divisors, whose sum is σ = 1836336402. Its totient is φ = 1836336400.

The previous prime is 1836336349. The next prime is 1836336409. The reversal of 1836336401 is 1046336381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1829700625 + 6635776 = 42775^2 + 2576^2 .

It is a cyclic number.

It is not a de Polignac number, because 1836336401 - 2¹⁸ = 1836074257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1836336409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 918168200 + 918168201.

It is an arithmetic number, because the mean of its divisors is an integer number (918168201).

Almost surely, 2^1836336401 is an apocalyptic number.

It is an amenable number.

1836336401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1836336401 is an equidigital number, since it uses as much as digits as its factorization.

1836336401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 1836336401 is about 42852.4958549674. The cubic root of 1836336401 is about 1224.5713121115.

The spelling of 1836336401 in words is "one billion, eight hundred thirty-six million, three hundred thirty-six thousand, four hundred one".