34142643662421 has 8 divisors (see below), whose sum is σ = 52026885580864. Its totient is φ = 19510082092800.

The previous prime is 34142643662417. The next prime is 34142643662437. The reversal of 34142643662421 is 12426634624143.

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

It is not a de Polignac number, because 34142643662421 - 2² = 34142643662417 is a prime.

It is a super-3 number, since 3×34142643662421³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34142643662411) 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, 812920087180 + ... + 812920087221.

It is an arithmetic number, because the mean of its divisors is an integer number (6503360697608).

Almost surely, 2^{34142643662421} is an apocalyptic number.

It is an amenable number.

34142643662421 is a deficient number, since it is larger than the sum of its proper divisors (17884241918443).

34142643662421 is a wasteful number, since it uses less digits than its factorization.

34142643662421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625840174411.

The product of its digits is 3981312, while the sum is 48.

The spelling of 34142643662421 in words is "thirty-four trillion, one hundred forty-two billion, six hundred forty-three million, six hundred sixty-two thousand, four hundred twenty-one".