428167624553 has 2 divisors, whose sum is σ = 428167624554. Its totient is φ = 428167624552.

The previous prime is 428167624541. The next prime is 428167624559. The reversal of 428167624553 is 355426761824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 365102352169 + 63065272384 = 604237^2 + 251128^2 .

It is a cyclic number.

It is not a de Polignac number, because 428167624553 - 2⁴ = 428167624537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428167624495 and 428167624504.

It is not a weakly prime, because it can be changed into another prime (428167624559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214083812276 + 214083812277.

It is an arithmetic number, because the mean of its divisors is an integer number (214083812277).

Almost surely, 2^428167624553 is an apocalyptic number.

It is an amenable number.

428167624553 is a deficient number, since it is larger than the sum of its proper divisors (1).

428167624553 is an equidigital number, since it uses as much as digits as its factorization.

428167624553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9676800, while the sum is 53.

The spelling of 428167624553 in words is "four hundred twenty-eight billion, one hundred sixty-seven million, six hundred twenty-four thousand, five hundred fifty-three".