34253643646 has 4 divisors (see below), whose sum is σ = 51380465472. Its totient is φ = 17126821822.

The previous prime is 34253643617. The next prime is 34253643673. The reversal of 34253643646 is 64634635243.

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

It is a junction number, because it is equal to n+sod(n) for n = 34253643596 and 34253643605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8563410910 + ... + 8563410913.

It is an arithmetic number, because the mean of its divisors is an integer number (12845116368).

Almost surely, 2^34253643646 is an apocalyptic number.

34253643646 is a deficient number, since it is larger than the sum of its proper divisors (17126821826).

34253643646 is a wasteful number, since it uses less digits than its factorization.

34253643646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17126821825.

The product of its digits is 3732480, while the sum is 46.

The spelling of 34253643646 in words is "thirty-four billion, two hundred fifty-three million, six hundred forty-three thousand, six hundred forty-six".