34025330021 has 4 divisors (see below), whose sum is σ = 35122921344. Its totient is φ = 32927738700.

The previous prime is 34025329991. The next prime is 34025330023. The reversal of 34025330021 is 12003352043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34025330021 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 (34025330023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548795615 + ... + 548795676.

It is an arithmetic number, because the mean of its divisors is an integer number (8780730336).

Almost surely, 2^34025330021 is an apocalyptic number.

34025330021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

34025330021 is a deficient number, since it is larger than the sum of its proper divisors (1097591323).

34025330021 is a wasteful number, since it uses less digits than its factorization.

34025330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097591322.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 34025330021 its reverse (12003352043), we get a palindrome (46028682064).

The spelling of 34025330021 in words is "thirty-four billion, twenty-five million, three hundred thirty thousand, twenty-one".