2053263646 has 16 divisors (see below), whose sum is σ = 3520462176. Its totient is φ = 879824736.

The previous prime is 2053263637. The next prime is 2053263647. The reversal of 2053263646 is 6463623502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053263647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157780 + ... + 170296.

It is an arithmetic number, because the mean of its divisors is an integer number (220028886).

Almost surely, 2^2053263646 is an apocalyptic number.

2053263646 is a deficient number, since it is larger than the sum of its proper divisors (1467198530).

2053263646 is a wasteful number, since it uses less digits than its factorization.

2053263646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24243.

The product of its (nonzero) digits is 155520, while the sum is 37.

The square root of 2053263646 is about 45312.9522984323. The cubic root of 2053263646 is about 1271.0078688036.

The spelling of 2053263646 in words is "two billion, fifty-three million, two hundred sixty-three thousand, six hundred forty-six".