34672147421 has 4 divisors (see below), whose sum is σ = 34676730972. Its totient is φ = 34667563872.

The previous prime is 34672147417. The next prime is 34672147429. The reversal of 34672147421 is 12474127643.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5092963225 + 29579184196 = 71365^2 + 171986^2 .

It is a cyclic number.

It is not a de Polignac number, because 34672147421 - 2² = 34672147417 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 (34672147429) 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, 2280410 + ... + 2295563.

It is an arithmetic number, because the mean of its divisors is an integer number (8669182743).

Almost surely, 2^34672147421 is an apocalyptic number.

It is an amenable number.

34672147421 is a deficient number, since it is larger than the sum of its proper divisors (4583551).

34672147421 is an equidigital number, since it uses as much as digits as its factorization.

34672147421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583550.

The product of its digits is 225792, while the sum is 41.

The spelling of 34672147421 in words is "thirty-four billion, six hundred seventy-two million, one hundred forty-seven thousand, four hundred twenty-one".