6408070561 has 2 divisors, whose sum is σ = 6408070562. Its totient is φ = 6408070560.

The previous prime is 6408070477. The next prime is 6408070567. The reversal of 6408070561 is 1650708046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6059688336 + 348382225 = 77844^2 + 18665^2 .

It is a cyclic number.

It is not a de Polignac number, because 6408070561 - 2¹³ = 6408062369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6408070561.

It is not a weakly prime, because it can be changed into another prime (6408070567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3204035280 + 3204035281.

It is an arithmetic number, because the mean of its divisors is an integer number (3204035281).

Almost surely, 2^6408070561 is an apocalyptic number.

It is an amenable number.

6408070561 is a deficient number, since it is larger than the sum of its proper divisors (1).

6408070561 is an equidigital number, since it uses as much as digits as its factorization.

6408070561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 6408070561 is about 80050.4251144240. The cubic root of 6408070561 is about 1857.4156270023.

The spelling of 6408070561 in words is "six billion, four hundred eight million, seventy thousand, five hundred sixty-one".