798581493 has 6 divisors (see below), whose sum is σ = 1153506614. Its totient is φ = 532387656.

The previous prime is 798581491. The next prime is 798581507. The reversal of 798581493 is 394185897.

798581493 is a `hidden beast` number, since 79 + 8 + 5 + 81 + 493 = 666.

It can be written as a sum of positive squares in only one way, i.e., 661621284 + 136960209 = 25722^2 + 11703^2 .

It is not a de Polignac number, because 798581493 - 2¹ = 798581491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798581491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44365630 + ... + 44365647.

Almost surely, 2^798581493 is an apocalyptic number.

It is an amenable number.

798581493 is a deficient number, since it is larger than the sum of its proper divisors (354925121).

798581493 is a wasteful number, since it uses less digits than its factorization.

798581493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88731283 (or 88731280 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 798581493 is about 28259.1842238944. The cubic root of 798581493 is about 927.7687649224.

The spelling of 798581493 in words is "seven hundred ninety-eight million, five hundred eighty-one thousand, four hundred ninety-three".