10245420416421 has 8 divisors (see below), whose sum is σ = 15178400616960. Its totient is φ = 6830280277596.

The previous prime is 10245420416419. The next prime is 10245420416461. The reversal of 10245420416421 is 12461402454201.

10245420416421 is a `hidden beast` number, since 1 + 0 + 2 + 4 + 5 + 4 + 2 + 0 + 4 + 1 + 642 + 1 = 666.

It is not a de Polignac number, because 10245420416421 - 2¹ = 10245420416419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10245420416461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189730007685 + ... + 189730007738.

It is an arithmetic number, because the mean of its divisors is an integer number (1897300077120).

Almost surely, 2^{10245420416421} is an apocalyptic number.

It is an amenable number.

10245420416421 is a deficient number, since it is larger than the sum of its proper divisors (4932980200539).

10245420416421 is an equidigital number, since it uses as much as digits as its factorization.

10245420416421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379460015432 (or 379460015426 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 10245420416421 in words is "ten trillion, two hundred forty-five billion, four hundred twenty million, four hundred sixteen thousand, four hundred twenty-one".