2355298491 has 16 divisors (see below), whose sum is σ = 3865105664. Its totient is φ = 1242355104.

The previous prime is 2355298471. The next prime is 2355298513. The reversal of 2355298491 is 1948925532.

It is a happy number.

It is not a de Polignac number, because 2355298491 - 2¹¹ = 2355296443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2355298491.

It is not an unprimeable number, because it can be changed into a prime (2355298471) 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 15 ways as a sum of consecutive naturals, for example, 4313461 + ... + 4314006.

It is an arithmetic number, because the mean of its divisors is an integer number (241569104).

Almost surely, 2^2355298491 is an apocalyptic number.

2355298491 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2355298491 is a deficient number, since it is larger than the sum of its proper divisors (1509807173).

2355298491 is a wasteful number, since it uses less digits than its factorization.

2355298491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8627490.

The product of its digits is 777600, while the sum is 48.

The square root of 2355298491 is about 48531.4175663559. The cubic root of 2355298491 is about 1330.5013450920.

The spelling of 2355298491 in words is "two billion, three hundred fifty-five million, two hundred ninety-eight thousand, four hundred ninety-one".