2355650646 has 16 divisors (see below), whose sum is σ = 4747267008. Its totient is φ = 779222600.

The previous prime is 2355650641. The next prime is 2355650699. The reversal of 2355650646 is 6460565532.

It is a junction number, because it is equal to n+sod(n) for n = 2355650598 and 2355650607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2355650641) 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, 1497720 + ... + 1499291.

It is an arithmetic number, because the mean of its divisors is an integer number (296704188).

Almost surely, 2^2355650646 is an apocalyptic number.

2355650646 is an abundant number, since it is smaller than the sum of its proper divisors (2391616362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2355650646 is a wasteful number, since it uses less digits than its factorization.

2355650646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997147.

The product of its (nonzero) digits is 648000, while the sum is 42.

The square root of 2355650646 is about 48535.0455444311. The cubic root of 2355650646 is about 1330.5676522364.

The spelling of 2355650646 in words is "two billion, three hundred fifty-five million, six hundred fifty thousand, six hundred forty-six".