10646212345 has 12 divisors (see below), whose sum is σ = 13571159724. Its totient is φ = 8015970560.

The previous prime is 10646212321. The next prime is 10646212403. The reversal of 10646212345 is 54321264601.

It can be written as a sum of positive squares in 6 ways, for example, as 2274145344 + 8372067001 = 47688^2 + 91499^2 .

It is not a de Polignac number, because 10646212345 - 2¹⁹ = 10645688057 is a prime.

It is a super-2 number, since 2×10646212345² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10646212345.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3682366 + ... + 3685255.

It is an arithmetic number, because the mean of its divisors is an integer number (1130929977).

Almost surely, 2^10646212345 is an apocalyptic number.

It is an amenable number.

10646212345 is a deficient number, since it is larger than the sum of its proper divisors (2924947379).

10646212345 is an equidigital number, since it uses as much as digits as its factorization.

10646212345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367660 (or 7367643 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 10646212345 its reverse (54321264601), we get a palindrome (64967476946).

The spelling of 10646212345 in words is "ten billion, six hundred forty-six million, two hundred twelve thousand, three hundred forty-five".