2090463645 has 8 divisors (see below), whose sum is σ = 3344741856. Its totient is φ = 1114913936.

The previous prime is 2090463563. The next prime is 2090463649. The reversal of 2090463645 is 5463640902.

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

It is a cyclic number.

It is not a de Polignac number, because 2090463645 - 2¹⁸ = 2090201501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090463649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69682107 + ... + 69682136.

It is an arithmetic number, because the mean of its divisors is an integer number (418092732).

Almost surely, 2^2090463645 is an apocalyptic number.

It is an amenable number.

2090463645 is a deficient number, since it is larger than the sum of its proper divisors (1254278211).

2090463645 is a wasteful number, since it uses less digits than its factorization.

2090463645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139364251.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 2090463645 is about 45721.5883910435. The cubic root of 2090463645 is about 1278.6378015305.

The spelling of 2090463645 in words is "two billion, ninety million, four hundred sixty-three thousand, six hundred forty-five".