7946342421 has 8 divisors (see below), whose sum is σ = 10660124640. Its totient is φ = 5265060912.

The previous prime is 7946342413. The next prime is 7946342441. The reversal of 7946342421 is 1242436497.

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

It is not a de Polignac number, because 7946342421 - 2³ = 7946342413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7946342401) 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, 8124606 + ... + 8125583.

It is an arithmetic number, because the mean of its divisors is an integer number (1332515580).

Almost surely, 2^7946342421 is an apocalyptic number.

It is an amenable number.

7946342421 is a deficient number, since it is larger than the sum of its proper divisors (2713782219).

7946342421 is a wasteful number, since it uses less digits than its factorization.

7946342421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16250355.

The product of its digits is 290304, while the sum is 42.

The square root of 7946342421 is about 89142.2594564441. The cubic root of 7946342421 is about 1995.5185006657.

The spelling of 7946342421 in words is "seven billion, nine hundred forty-six million, three hundred forty-two thousand, four hundred twenty-one".