421113013345 has 8 divisors (see below), whose sum is σ = 505344780864. Its totient is φ = 336884300784.

The previous prime is 421113013319. The next prime is 421113013357. The reversal of 421113013345 is 543310311124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421113013345 is a prime.

It is a super-2 number, since 2×421113013345² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

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, 448659 + ... + 1021528.

It is an arithmetic number, because the mean of its divisors is an integer number (63168097608).

Almost surely, 2^421113013345 is an apocalyptic number.

It is an amenable number.

421113013345 is a deficient number, since it is larger than the sum of its proper divisors (84231767519).

421113013345 is a wasteful number, since it uses less digits than its factorization.

421113013345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527479.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 421113013345 its reverse (543310311124), we get a palindrome (964423324469).

The spelling of 421113013345 in words is "four hundred twenty-one billion, one hundred thirteen million, thirteen thousand, three hundred forty-five".