34290770921 has 6 divisors (see below), whose sum is σ = 37691508666. Its totient is φ = 31173428000.

The previous prime is 34290770903. The next prime is 34290770953. The reversal of 34290770921 is 12907709243.

It can be written as a sum of positive squares in only one way, i.e., 28785872896 + 5504898025 = 169664^2 + 74195^2 .

It is a de Polignac number, because none of the positive numbers 2^k-34290770921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34290770981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141697280 + ... + 141697521.

It is an arithmetic number, because the mean of its divisors is an integer number (6281918111).

Almost surely, 2^34290770921 is an apocalyptic number.

It is an amenable number.

34290770921 is a deficient number, since it is larger than the sum of its proper divisors (3400737745).

34290770921 is a wasteful number, since it uses less digits than its factorization.

34290770921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283394823 (or 283394812 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 44.

It can be divided in two parts, 3 and 4290770921, that added together give a palindrome (4290770924).

The spelling of 34290770921 in words is "thirty-four billion, two hundred ninety million, seven hundred seventy thousand, nine hundred twenty-one".