34743051621 has 12 divisors (see below), whose sum is σ = 50199553248. Its totient is φ = 23155044264.

The previous prime is 34743051617. The next prime is 34743051641. The reversal of 34743051621 is 12615034743.

34743051621 is a `hidden beast` number, since 347 + 4 + 305 + 1 + 6 + 2 + 1 = 666.

It is not a de Polignac number, because 34743051621 - 2² = 34743051617 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34743051641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 550945 + ... + 610758.

It is an arithmetic number, because the mean of its divisors is an integer number (4183296104).

Almost surely, 2^34743051621 is an apocalyptic number.

It is an amenable number.

34743051621 is a deficient number, since it is larger than the sum of its proper divisors (15456501627).

34743051621 is a wasteful number, since it uses less digits than its factorization.

34743051621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165032 (or 1165029 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 34743051621 in words is "thirty-four billion, seven hundred forty-three million, fifty-one thousand, six hundred twenty-one".