7148619018 has 24 divisors (see below), whose sum is σ = 15662708100. Its totient is φ = 2356098624.

The previous prime is 7148619007. The next prime is 7148619139. The reversal of 7148619018 is 8109168417.

It is a happy number.

7148619018 is a `hidden beast` number, since 7 + 14 + 8 + 619 + 0 + 18 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6305471649 + 843147369 = 79407^2 + 29037^2 .

It is a super-2 number, since 2×7148619018² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2229553 + ... + 2232756.

Almost surely, 2^7148619018 is an apocalyptic number.

7148619018 is an abundant number, since it is smaller than the sum of its proper divisors (8514089082).

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

7148619018 is a wasteful number, since it uses less digits than its factorization.

7148619018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462406 (or 4462403 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 7148619018 is about 84549.5063143482. The cubic root of 7148619018 is about 1926.3744852054.

The spelling of 7148619018 in words is "seven billion, one hundred forty-eight million, six hundred nineteen thousand, eighteen".