7149851852 has 72 divisors (see below), whose sum is σ = 15367250640. Its totient is φ = 2869384320.

The previous prime is 7149851851. The next prime is 7149851911. The reversal of 7149851852 is 2581589417.

It is a super-2 number, since 2×7149851852² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7149851852.

It is not an unprimeable number, because it can be changed into a prime (7149851851) 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, 290774 + ... + 314402.

Almost surely, 2^7149851852 is an apocalyptic number.

It is an amenable number.

7149851852 is an abundant number, since it is smaller than the sum of its proper divisors (8217398788).

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

7149851852 is a wasteful number, since it uses less digits than its factorization.

7149851852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23703 (or 23678 counting only the distinct ones).

The product of its digits is 806400, while the sum is 50.

The square root of 7149851852 is about 84556.7966044126. The cubic root of 7149851852 is about 1926.4852181757.

The spelling of 7149851852 in words is "seven billion, one hundred forty-nine million, eight hundred fifty-one thousand, eight hundred fifty-two".