6402263453 has 2 divisors, whose sum is σ = 6402263454. Its totient is φ = 6402263452.

The previous prime is 6402263443. The next prime is 6402263473. The reversal of 6402263453 is 3543622046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3809111524 + 2593151929 = 61718^2 + 50923^2 .

It is a cyclic number.

It is not a de Polignac number, because 6402263453 - 2¹⁰ = 6402262429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6402263443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201131726 + 3201131727.

It is an arithmetic number, because the mean of its divisors is an integer number (3201131727).

Almost surely, 2^6402263453 is an apocalyptic number.

It is an amenable number.

6402263453 is a deficient number, since it is larger than the sum of its proper divisors (1).

6402263453 is an equidigital number, since it uses as much as digits as its factorization.

6402263453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 35.

The square root of 6402263453 is about 80014.1453306851. The cubic root of 6402263453 is about 1856.8543830259.

Adding to 6402263453 its reverse (3543622046), we get a palindrome (9945885499).

The spelling of 6402263453 in words is "six billion, four hundred two million, two hundred sixty-three thousand, four hundred fifty-three".