8494261551 has 24 divisors (see below), whose sum is σ = 12578092800. Its totient is φ = 5520614400.

The previous prime is 8494261511. The next prime is 8494261591. The reversal of 8494261551 is 1551624948.

8494261551 is a `hidden beast` number, since 8 + 4 + 94 + 2 + 6 + 1 + 551 = 666.

It is an interprime number because it is at equal distance from previous prime (8494261511) and next prime (8494261591).

It is not a de Polignac number, because 8494261551 - 2¹¹ = 8494259503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8494261497 and 8494261506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8494261511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 534975 + ... + 550623.

It is an arithmetic number, because the mean of its divisors is an integer number (524087200).

Almost surely, 2^8494261551 is an apocalyptic number.

8494261551 is a deficient number, since it is larger than the sum of its proper divisors (4083831249).

8494261551 is a wasteful number, since it uses less digits than its factorization.

8494261551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17167 (or 17164 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 8494261551 is about 92164.3182093808. The cubic root of 8494261551 is about 2040.3681854191.

The spelling of 8494261551 in words is "eight billion, four hundred ninety-four million, two hundred sixty-one thousand, five hundred fifty-one".