1636484241 has 16 divisors (see below), whose sum is σ = 2494913408. Its totient is φ = 934675200.

The previous prime is 1636484237. The next prime is 1636484257. The reversal of 1636484241 is 1424846361.

It is not a de Polignac number, because 1636484241 - 2² = 1636484237 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 1636484241.

It is not an unprimeable number, because it can be changed into a prime (1636484221) 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, 27351 + ... + 63411.

It is an arithmetic number, because the mean of its divisors is an integer number (155932088).

Almost surely, 2^1636484241 is an apocalyptic number.

It is an amenable number.

1636484241 is a deficient number, since it is larger than the sum of its proper divisors (858429167).

1636484241 is a wasteful number, since it uses less digits than its factorization.

1636484241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38232.

The product of its digits is 110592, while the sum is 39.

The square root of 1636484241 is about 40453.4824335310. The cubic root of 1636484241 is about 1178.4304136067.

The spelling of 1636484241 in words is "one billion, six hundred thirty-six million, four hundred eighty-four thousand, two hundred forty-one".