2053453946 has 4 divisors (see below), whose sum is σ = 3080180922. Its totient is φ = 1026726972.

The previous prime is 2053453939. The next prime is 2053453957. The reversal of 2053453946 is 6493543502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1065043225 + 988410721 = 32635^2 + 31439^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513363485 + ... + 513363488.

Almost surely, 2^2053453946 is an apocalyptic number.

2053453946 is a deficient number, since it is larger than the sum of its proper divisors (1026726976).

2053453946 is a wasteful number, since it uses less digits than its factorization.

2053453946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026726975.

The product of its (nonzero) digits is 388800, while the sum is 41.

The square root of 2053453946 is about 45315.0520908892. The cubic root of 2053453946 is about 1271.0471339877.

The spelling of 2053453946 in words is "two billion, fifty-three million, four hundred fifty-three thousand, nine hundred forty-six".