1653050983 has 4 divisors (see below), whose sum is σ = 1661616208. Its totient is φ = 1644485760.

The previous prime is 1653050933. The next prime is 1653050989. The reversal of 1653050983 is 3890503561.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1653050983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1653050989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4282323 + ... + 4282708.

It is an arithmetic number, because the mean of its divisors is an integer number (415404052).

Almost surely, 2^1653050983 is an apocalyptic number.

1653050983 is a deficient number, since it is larger than the sum of its proper divisors (8565225).

1653050983 is an equidigital number, since it uses as much as digits as its factorization.

1653050983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8565224.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 1653050983 is about 40657.7296832964. The cubic root of 1653050983 is about 1182.3936337541.

The spelling of 1653050983 in words is "one billion, six hundred fifty-three million, fifty thousand, nine hundred eighty-three".