334073897821 has 2 divisors, whose sum is σ = 334073897822. Its totient is φ = 334073897820.

The previous prime is 334073897779. The next prime is 334073897867. The reversal of 334073897821 is 128798370433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280173310596 + 53900587225 = 529314^2 + 232165^2 .

It is a cyclic number.

It is not a de Polignac number, because 334073897821 - 2²⁹ = 333537026909 is a prime.

It is a super-2 number, since 2×334073897821² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (334073897021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167036948910 + 167036948911.

It is an arithmetic number, because the mean of its divisors is an integer number (167036948911).

Almost surely, 2^334073897821 is an apocalyptic number.

It is an amenable number.

334073897821 is a deficient number, since it is larger than the sum of its proper divisors (1).

334073897821 is an equidigital number, since it uses as much as digits as its factorization.

334073897821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 334073897821 in words is "three hundred thirty-four billion, seventy-three million, eight hundred ninety-seven thousand, eight hundred twenty-one".