10421299294466 has 4 divisors (see below), whose sum is σ = 15631948941702. Its totient is φ = 5210649647232.

The previous prime is 10421299294451. The next prime is 10421299294477. The reversal of 10421299294466 is 66449299212401.

10421299294466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 7706314800625 + 2714984493841 = 2776025^2 + 1647721^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605324823615 + ... + 2605324823618.

Almost surely, 2^{10421299294466} is an apocalyptic number.

10421299294466 is a deficient number, since it is larger than the sum of its proper divisors (5210649647236).

10421299294466 is an equidigital number, since it uses as much as digits as its factorization.

10421299294466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210649647235.

The product of its (nonzero) digits is 13436928, while the sum is 59.

The spelling of 10421299294466 in words is "ten trillion, four hundred twenty-one billion, two hundred ninety-nine million, two hundred ninety-four thousand, four hundred sixty-six".