6499154012 has 12 divisors (see below), whose sum is σ = 12248405736. Its totient is φ = 2999609520.

The previous prime is 6499153963. The next prime is 6499154021. The reversal of 6499154012 is 2104519946.

It is a super-2 number, since 2×6499154012² = 84478005743391392288, which 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 3 ways as a sum of consecutive naturals, for example, 62491814 + ... + 62491917.

It is an arithmetic number, because the mean of its divisors is an integer number (1020700478).

Almost surely, 2^6499154012 is an apocalyptic number.

It is an amenable number.

6499154012 is a deficient number, since it is larger than the sum of its proper divisors (5749251724).

6499154012 is a wasteful number, since it uses less digits than its factorization.

6499154012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124983748 (or 124983746 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 6499154012 is about 80617.3307174084. The cubic root of 6499154012 is about 1866.1746092637.

The spelling of 6499154012 in words is "six billion, four hundred ninety-nine million, one hundred fifty-four thousand, twelve".