34253497021 has 8 divisors (see below), whose sum is σ = 34312231800. Its totient is φ = 34194800640.

The previous prime is 34253497009. The next prime is 34253497037. The reversal of 34253497021 is 12079435243.

It can be written as a sum of positive squares in 4 ways, for example, as 3062404921 + 31191092100 = 55339^2 + 176610^2 .

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 34253497021 - 2¹⁵ = 34253464253 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 (34253497721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2192325 + ... + 2207893.

It is an arithmetic number, because the mean of its divisors is an integer number (4289028975).

Almost surely, 2^34253497021 is an apocalyptic number.

It is an amenable number.

34253497021 is a deficient number, since it is larger than the sum of its proper divisors (58734779).

34253497021 is a wasteful number, since it uses less digits than its factorization.

34253497021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19199.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 34253497021 in words is "thirty-four billion, two hundred fifty-three million, four hundred ninety-seven thousand, twenty-one".