6451101812 has 24 divisors (see below), whose sum is σ = 11382541632. Its totient is φ = 3198977600.

The previous prime is 6451101793. The next prime is 6451101817. The reversal of 6451101812 is 2181011546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6451101817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1267112 + ... + 1272192.

It is an arithmetic number, because the mean of its divisors is an integer number (474272568).

Almost surely, 2^6451101812 is an apocalyptic number.

It is an amenable number.

6451101812 is a deficient number, since it is larger than the sum of its proper divisors (4931439820).

6451101812 is a wasteful number, since it uses less digits than its factorization.

6451101812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7639 (or 7637 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 6451101812 is about 80318.7513100148. The cubic root of 6451101812 is about 1861.5639726593.

The spelling of 6451101812 in words is "six billion, four hundred fifty-one million, one hundred one thousand, eight hundred twelve".