12649595630 has 32 divisors (see below), whose sum is σ = 26133741504. Its totient is φ = 4318384896.

The previous prime is 12649595627. The next prime is 12649595633. The reversal of 12649595630 is 3659594621.

It is an interprime number because it is at equal distance from previous prime (12649595627) and next prime (12649595633).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12649595633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371477 + ... + 404096.

It is an arithmetic number, because the mean of its divisors is an integer number (816679422).

Almost surely, 2^12649595630 is an apocalyptic number.

12649595630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12649595630 is an abundant number, since it is smaller than the sum of its proper divisors (13484145874).

12649595630 is a wasteful number, since it uses less digits than its factorization.

12649595630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775820.

The product of its (nonzero) digits is 1749600, while the sum is 50.

The spelling of 12649595630 in words is "twelve billion, six hundred forty-nine million, five hundred ninety-five thousand, six hundred thirty".