621414414127 has 8 divisors (see below), whose sum is σ = 669365532864. Its totient is φ = 573484725408.

The previous prime is 621414414097. The next prime is 621414414157. The reversal of 621414414127 is 721414414126.

It is an interprime number because it is at equal distance from previous prime (621414414097) and next prime (621414414157).

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

It is a cyclic number.

It is not a de Polignac number, because 621414414127 - 2¹¹ = 621414412079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621414414157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5297248 + ... + 5413285.

It is an arithmetic number, because the mean of its divisors is an integer number (83670691608).

Almost surely, 2^621414414127 is an apocalyptic number.

621414414127 is a deficient number, since it is larger than the sum of its proper divisors (47951118737).

621414414127 is a wasteful number, since it uses less digits than its factorization.

621414414127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10715009.

The product of its digits is 43008, while the sum is 37.

Subtracting 621414414127 from its reverse (721414414126), we obtain a palindrome (99999999999).

The spelling of 621414414127 in words is "six hundred twenty-one billion, four hundred fourteen million, four hundred fourteen thousand, one hundred twenty-seven".