34513821013 has 8 divisors (see below), whose sum is σ = 39601517760. Its totient is φ = 29465412000.

The previous prime is 34513820989. The next prime is 34513821053. The reversal of 34513821013 is 31012831543.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 34513821013 - 2²⁵ = 34480266581 is a prime.

It is a super-3 number, since 3×34513821013³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34513821053) 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, 9820048 + ... + 9823561.

It is an arithmetic number, because the mean of its divisors is an integer number (4950189720).

Almost surely, 2^34513821013 is an apocalyptic number.

It is an amenable number.

34513821013 is a deficient number, since it is larger than the sum of its proper divisors (5087696747).

34513821013 is a wasteful number, since it uses less digits than its factorization.

34513821013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19643867.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 34513821013 in words is "thirty-four billion, five hundred thirteen million, eight hundred twenty-one thousand, thirteen".