354464898553 has 2 divisors, whose sum is σ = 354464898554. Its totient is φ = 354464898552.

The previous prime is 354464898451. The next prime is 354464898563. The reversal of 354464898553 is 355898464453.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354088072809 + 376825744 = 595053^2 + 19412^2 .

It is a cyclic number.

It is not a de Polignac number, because 354464898553 - 2⁹ = 354464898041 is a prime.

It is not a weakly prime, because it can be changed into another prime (354464898563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177232449276 + 177232449277.

It is an arithmetic number, because the mean of its divisors is an integer number (177232449277).

Almost surely, 2^354464898553 is an apocalyptic number.

It is an amenable number.

354464898553 is a deficient number, since it is larger than the sum of its proper divisors (1).

354464898553 is an equidigital number, since it uses as much as digits as its factorization.

354464898553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832000, while the sum is 64.

The spelling of 354464898553 in words is "three hundred fifty-four billion, four hundred sixty-four million, eight hundred ninety-eight thousand, five hundred fifty-three".