34305642749 has 16 divisors (see below), whose sum is σ = 39610217472. Its totient is φ = 29103539328.

The previous prime is 34305642743. The next prime is 34305642781. The reversal of 34305642749 is 94724650343.

It is a cyclic number.

It is not a de Polignac number, because 34305642749 - 2⁸ = 34305642493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34305642743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206537 + ... + 333569.

It is an arithmetic number, because the mean of its divisors is an integer number (2475638592).

Almost surely, 2^34305642749 is an apocalyptic number.

It is an amenable number.

34305642749 is a deficient number, since it is larger than the sum of its proper divisors (5304574723).

34305642749 is a wasteful number, since it uses less digits than its factorization.

34305642749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127436.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 34305642749 in words is "thirty-four billion, three hundred five million, six hundred forty-two thousand, seven hundred forty-nine".