421335102642 has 16 divisors (see below), whose sum is σ = 887021268960. Its totient is φ = 133053190272.

The previous prime is 421335102563. The next prime is 421335102689. The reversal of 421335102642 is 246201533124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1847960863 + ... + 1847961090.

It is an arithmetic number, because the mean of its divisors is an integer number (55438829310).

Almost surely, 2^421335102642 is an apocalyptic number.

421335102642 is an abundant number, since it is smaller than the sum of its proper divisors (465686166318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421335102642 is a wasteful number, since it uses less digits than its factorization.

421335102642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695921977.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 421335102642 its reverse (246201533124), we get a palindrome (667536635766).

The spelling of 421335102642 in words is "four hundred twenty-one billion, three hundred thirty-five million, one hundred two thousand, six hundred forty-two".