481468993 has 2 divisors, whose sum is σ = 481468994. Its totient is φ = 481468992.

The previous prime is 481468957. The next prime is 481468997. The reversal of 481468993 is 399864184.

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., 461906064 + 19562929 = 21492^2 + 4423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481468993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 481468993.

It is not a weakly prime, because it can be changed into another prime (481468997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240734496 + 240734497.

It is an arithmetic number, because the mean of its divisors is an integer number (240734497).

Almost surely, 2^481468993 is an apocalyptic number.

It is an amenable number.

481468993 is a deficient number, since it is larger than the sum of its proper divisors (1).

481468993 is an equidigital number, since it uses as much as digits as its factorization.

481468993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 52.

The square root of 481468993 is about 21942.4017144888. The cubic root of 481468993 is about 783.7714527356.

The spelling of 481468993 in words is "four hundred eighty-one million, four hundred sixty-eight thousand, nine hundred ninety-three".