397008444311 has 2 divisors, whose sum is σ = 397008444312. Its totient is φ = 397008444310.

The previous prime is 397008444299. The next prime is 397008444331. The reversal of 397008444311 is 113444800793.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 397008444311 - 2¹⁸ = 397008182167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397008444331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198504222155 + 198504222156.

It is an arithmetic number, because the mean of its divisors is an integer number (198504222156).

Almost surely, 2^397008444311 is an apocalyptic number.

397008444311 is a deficient number, since it is larger than the sum of its proper divisors (1).

397008444311 is an equidigital number, since it uses as much as digits as its factorization.

397008444311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 397008444311 in words is "three hundred ninety-seven billion, eight million, four hundred forty-four thousand, three hundred eleven".