1653420059 has 4 divisors (see below), whose sum is σ = 1657038504. Its totient is φ = 1649801616.

The previous prime is 1653420049. The next prime is 1653420101. The reversal of 1653420059 is 9500243561.

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

It is a cyclic number.

It is not a de Polignac number, because 1653420059 - 2¹² = 1653415963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1653420029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1808537 + ... + 1809450.

It is an arithmetic number, because the mean of its divisors is an integer number (414259626).

Almost surely, 2^1653420059 is an apocalyptic number.

1653420059 is a deficient number, since it is larger than the sum of its proper divisors (3618445).

1653420059 is an equidigital number, since it uses as much as digits as its factorization.

1653420059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618444.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 1653420059 is about 40662.2682471109. The cubic root of 1653420059 is about 1182.4816247161.

The spelling of 1653420059 in words is "one billion, six hundred fifty-three million, four hundred twenty thousand, fifty-nine".