428953420810553 has 2 divisors, whose sum is σ = 428953420810554. Its totient is φ = 428953420810552.

The previous prime is 428953420810517. The next prime is 428953420810639. The reversal of 428953420810553 is 355018024359824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420963374481664 + 7990046328889 = 20517392^2 + 2826667^2 .

It is a cyclic number.

It is not a de Polignac number, because 428953420810553 - 2⁴⁴ = 411361234766137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428953420810492 and 428953420810501.

It is not a weakly prime, because it can be changed into another prime (428953420710553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214476710405276 + 214476710405277.

It is an arithmetic number, because the mean of its divisors is an integer number (214476710405277).

Almost surely, 2^{428953420810553} is an apocalyptic number.

It is an amenable number.

428953420810553 is a deficient number, since it is larger than the sum of its proper divisors (1).

428953420810553 is an equidigital number, since it uses as much as digits as its factorization.

428953420810553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472000, while the sum is 59.

The spelling of 428953420810553 in words is "four hundred twenty-eight trillion, nine hundred fifty-three billion, four hundred twenty million, eight hundred ten thousand, five hundred fifty-three".