4521553919 has 2 divisors, whose sum is σ = 4521553920. Its totient is φ = 4521553918.

The previous prime is 4521553873. The next prime is 4521553943. The reversal of 4521553919 is 9193551254.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4521553919 is a prime.

It is a super-2 number, since 2×4521553919² = 40888899684848517122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4521553919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4521553979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260776959 + 2260776960.

It is an arithmetic number, because the mean of its divisors is an integer number (2260776960).

Almost surely, 2^4521553919 is an apocalyptic number.

4521553919 is a deficient number, since it is larger than the sum of its proper divisors (1).

4521553919 is an equidigital number, since it uses as much as digits as its factorization.

4521553919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 243000, while the sum is 44.

The square root of 4521553919 is about 67242.5008383835. The cubic root of 4521553919 is about 1653.5953335451.

The spelling of 4521553919 in words is "four billion, five hundred twenty-one million, five hundred fifty-three thousand, nine hundred nineteen".