335390398641 has 9 divisors (see below), whose sum is σ = 484455307609. Its totient is φ = 223592440836.

The previous prime is 335390398631. The next prime is 335390398667. The reversal of 335390398641 is 146893093533.

The square root of 335390398641 is 579129.

It is a perfect power (a square), and thus also a powerful number.

335390398641 is a `hidden beast` number, since 33 + 539 + 0 + 39 + 8 + 6 + 41 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-335390398641 is a prime.

It is a super-2 number, since 2×335390398641² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (335390398621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1640866 + ... + 1833908.

Almost surely, 2^335390398641 is an apocalyptic number.

335390398641 is the 579129-th square number.

335390398641 is the 289565-th centered octagonal number.

It is an amenable number.

335390398641 is a deficient number, since it is larger than the sum of its proper divisors (149064908968).

335390398641 is an frugal number, since it uses more digits than its factorization.

335390398641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386092 (or 193046 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 54.

The spelling of 335390398641 in words is "three hundred thirty-five billion, three hundred ninety million, three hundred ninety-eight thousand, six hundred forty-one".