6402801397 has 2 divisors, whose sum is σ = 6402801398. Its totient is φ = 6402801396.

The previous prime is 6402801359. The next prime is 6402801439. The reversal of 6402801397 is 7931082046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3434077201 + 2968724196 = 58601^2 + 54486^2 .

It is a cyclic number.

It is not a de Polignac number, because 6402801397 - 2¹¹ = 6402799349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6402802397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201400698 + 3201400699.

It is an arithmetic number, because the mean of its divisors is an integer number (3201400699).

Almost surely, 2^6402801397 is an apocalyptic number.

It is an amenable number.

6402801397 is a deficient number, since it is larger than the sum of its proper divisors (1).

6402801397 is an equidigital number, since it uses as much as digits as its factorization.

6402801397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 6402801397 is about 80017.5068156963. The cubic root of 6402801397 is about 1856.9063883678.

The spelling of 6402801397 in words is "six billion, four hundred two million, eight hundred one thousand, three hundred ninety-seven".