342455100421 has 4 divisors (see below), whose sum is σ = 391377257632. Its totient is φ = 293532943212.

The previous prime is 342455100419. The next prime is 342455100461. The reversal of 342455100421 is 124001554243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 342455100421 - 2¹ = 342455100419 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 (342455100401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24461078595 + ... + 24461078608.

It is an arithmetic number, because the mean of its divisors is an integer number (97844314408).

Almost surely, 2^342455100421 is an apocalyptic number.

It is an amenable number.

342455100421 is a deficient number, since it is larger than the sum of its proper divisors (48922157211).

342455100421 is an equidigital number, since it uses as much as digits as its factorization.

342455100421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48922157210.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 342455100421 its reverse (124001554243), we get a palindrome (466456654664).

The spelling of 342455100421 in words is "three hundred forty-two billion, four hundred fifty-five million, one hundred thousand, four hundred twenty-one".