421050245041502 has 4 divisors (see below), whose sum is σ = 631575367562256. Its totient is φ = 210525122520750.

The previous prime is 421050245041499. The next prime is 421050245041519. The reversal of 421050245041502 is 205140542050124.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105262561260374 + ... + 105262561260377.

It is an arithmetic number, because the mean of its divisors is an integer number (157893841890564).

Almost surely, 2^{421050245041502} is an apocalyptic number.

421050245041502 is a deficient number, since it is larger than the sum of its proper divisors (210525122520754).

421050245041502 is a wasteful number, since it uses less digits than its factorization.

421050245041502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210525122520753.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 421050245041502 its reverse (205140542050124), we get a palindrome (626190787091626).

The spelling of 421050245041502 in words is "four hundred twenty-one trillion, fifty billion, two hundred forty-five million, forty-one thousand, five hundred two".