426553401577 has 2 divisors, whose sum is σ = 426553401578. Its totient is φ = 426553401576.

The previous prime is 426553401529. The next prime is 426553401667. The reversal of 426553401577 is 775104355624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349701918736 + 76851482841 = 591356^2 + 277221^2 .

It is a cyclic number.

It is not a de Polignac number, because 426553401577 - 2¹¹ = 426553399529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426553401577.

It is not a weakly prime, because it can be changed into another prime (426553401517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213276700788 + 213276700789.

It is an arithmetic number, because the mean of its divisors is an integer number (213276700789).

Almost surely, 2^426553401577 is an apocalyptic number.

It is an amenable number.

426553401577 is a deficient number, since it is larger than the sum of its proper divisors (1).

426553401577 is an equidigital number, since it uses as much as digits as its factorization.

426553401577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 426553401577 in words is "four hundred twenty-six billion, five hundred fifty-three million, four hundred one thousand, five hundred seventy-seven".