7148669436 has 18 divisors (see below), whose sum is σ = 18070247832. Its totient is φ = 2382889800.

The previous prime is 7148669419. The next prime is 7148669449. The reversal of 7148669436 is 6349668417.

7148669436 is a `hidden beast` number, since 7 + 148 + 6 + 69 + 436 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×7148669436² (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 5 ways as a sum of consecutive naturals, for example, 99287040 + ... + 99287111.

Almost surely, 2^7148669436 is an apocalyptic number.

It is an amenable number.

7148669436 is an abundant number, since it is smaller than the sum of its proper divisors (10921578396).

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

7148669436 is a wasteful number, since it uses less digits than its factorization.

7148669436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198574161 (or 198574156 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 7148669436 is about 84549.8044705013. The cubic root of 7148669436 is about 1926.3790139925.

The spelling of 7148669436 in words is "seven billion, one hundred forty-eight million, six hundred sixty-nine thousand, four hundred thirty-six".