7649041518 has 16 divisors (see below), whose sum is σ = 16997870160. Its totient is φ = 2549680488.

The previous prime is 7649041513. The next prime is 7649041553. The reversal of 7649041518 is 8151409467.

7649041518 is a `hidden beast` number, since 7 + 6 + 4 + 90 + 41 + 518 = 666.

It is a super-2 number, since 2×7649041518² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7649041513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70824405 + ... + 70824512.

It is an arithmetic number, because the mean of its divisors is an integer number (1062366885).

Almost surely, 2^7649041518 is an apocalyptic number.

7649041518 is an abundant number, since it is smaller than the sum of its proper divisors (9348828642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7649041518 is a wasteful number, since it uses less digits than its factorization.

7649041518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141648928 (or 141648922 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 7649041518 is about 87458.7989741455. The cubic root of 7649041518 is about 1970.3150413044.

The spelling of 7649041518 in words is "seven billion, six hundred forty-nine million, forty-one thousand, five hundred eighteen".