8455769494 has 16 divisors (see below), whose sum is σ = 12867230160. Its totient is φ = 4166997120.

The previous prime is 8455769479. The next prime is 8455769501. The reversal of 8455769494 is 4949675548.

It is a happy number.

It is a super-2 number, since 2×8455769494² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20172 + ... + 131599.

It is an arithmetic number, because the mean of its divisors is an integer number (804201885).

Almost surely, 2^8455769494 is an apocalyptic number.

8455769494 is a deficient number, since it is larger than the sum of its proper divisors (4411460666).

8455769494 is a wasteful number, since it uses less digits than its factorization.

8455769494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152175.

The product of its digits is 43545600, while the sum is 61.

The square root of 8455769494 is about 91955.2581095828. The cubic root of 8455769494 is about 2037.2815172354.

The spelling of 8455769494 in words is "eight billion, four hundred fifty-five million, seven hundred sixty-nine thousand, four hundred ninety-four".