342251444421 has 8 divisors (see below), whose sum is σ = 507039176960. Its totient is φ = 228167629596.

The previous prime is 342251444417. The next prime is 342251444441. The reversal of 342251444421 is 124444152243.

342251444421 is a `hidden beast` number, since 3 + 4 + 225 + 1 + 4 + 4 + 4 + 421 = 666.

It is not a de Polignac number, because 342251444421 - 2² = 342251444417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342251444411) 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, 6337989685 + ... + 6337989738.

It is an arithmetic number, because the mean of its divisors is an integer number (63379897120).

Almost surely, 2^342251444421 is an apocalyptic number.

It is an amenable number.

342251444421 is a deficient number, since it is larger than the sum of its proper divisors (164787732539).

342251444421 is a wasteful number, since it uses less digits than its factorization.

342251444421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12675979432 (or 12675979426 counting only the distinct ones).

The product of its digits is 122880, while the sum is 36.

Adding to 342251444421 its reverse (124444152243), we get a palindrome (466695596664).

The spelling of 342251444421 in words is "three hundred forty-two billion, two hundred fifty-one million, four hundred forty-four thousand, four hundred twenty-one".