6149545992 has 48 divisors (see below), whose sum is σ = 16672978140. Its totient is φ = 2047638528.

The previous prime is 6149545991. The next prime is 6149546027. The reversal of 6149545992 is 2995459416.

6149545992 is a `hidden beast` number, since 6 + 1 + 4 + 9 + 545 + 9 + 92 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4339383876 + 1810162116 = 65874^2 + 42546^2 .

It is not an unprimeable number, because it can be changed into a prime (6149545991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21888 + ... + 113040.

Almost surely, 2^6149545992 is an apocalyptic number.

It is an amenable number.

6149545992 is an abundant number, since it is smaller than the sum of its proper divisors (10523432148).

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

6149545992 is a wasteful number, since it uses less digits than its factorization.

6149545992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92102 (or 92095 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The square root of 6149545992 is about 78419.0410040827. The cubic root of 6149545992 is about 1832.0937140202.

The spelling of 6149545992 in words is "six billion, one hundred forty-nine million, five hundred forty-five thousand, nine hundred ninety-two".