421141325553 has 12 divisors (see below), whose sum is σ = 655108728820. Its totient is φ = 259163892576.

The previous prime is 421141325543. The next prime is 421141325557. The reversal of 421141325553 is 355523141124.

421141325553 is a `hidden beast` number, since 4 + 211 + 413 + 25 + 5 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 108289039329 + 312852286224 = 329073^2 + 559332^2 .

It is not a de Polignac number, because 421141325553 - 2⁶ = 421141325489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421141325557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1799749138 + ... + 1799749371.

Almost surely, 2^421141325553 is an apocalyptic number.

It is an amenable number.

421141325553 is a deficient number, since it is larger than the sum of its proper divisors (233967403267).

421141325553 is a wasteful number, since it uses less digits than its factorization.

421141325553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599498528 (or 3599498525 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 421141325553 its reverse (355523141124), we get a palindrome (776664466677).

The spelling of 421141325553 in words is "four hundred twenty-one billion, one hundred forty-one million, three hundred twenty-five thousand, five hundred fifty-three".