485151993 has 6 divisors (see below), whose sum is σ = 700775114. Its totient is φ = 323434656.

The previous prime is 485151973. The next prime is 485152009. The reversal of 485151993 is 399151584.

485151993 is a `hidden beast` number, since 48 + 5 + 1 + 519 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 456121449 + 29030544 = 21357^2 + 5388^2 .

It is not a de Polignac number, because 485151993 - 2²² = 480957689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485151913) 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, 26952880 + ... + 26952897.

Almost surely, 2^485151993 is an apocalyptic number.

It is an amenable number.

485151993 is a deficient number, since it is larger than the sum of its proper divisors (215623121).

485151993 is a wasteful number, since it uses less digits than its factorization.

485151993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53905783 (or 53905780 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 485151993 is about 22026.1660985293. The cubic root of 485151993 is about 785.7648666359.

The spelling of 485151993 in words is "four hundred eighty-five million, one hundred fifty-one thousand, nine hundred ninety-three".