4651406694 has 80 divisors (see below), whose sum is σ = 11384231760. Its totient is φ = 1407767040.

The previous prime is 4651406693. The next prime is 4651406731. The reversal of 4651406694 is 4966041564.

It is a happy number.

4651406694 is a `hidden beast` number, since 46 + 514 + 0 + 6 + 6 + 94 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4651406693) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2652522 + ... + 2654274.

It is an arithmetic number, because the mean of its divisors is an integer number (142302897).

Almost surely, 2^4651406694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4651406694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5692115880).

4651406694 is an abundant number, since it is smaller than the sum of its proper divisors (6732825066).

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

4651406694 is a wasteful number, since it uses less digits than its factorization.

4651406694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267 (or 3258 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 4651406694 is about 68201.2220858248. Note that the first 3 decimals coincide. The cubic root of 4651406694 is about 1669.2758276271.

The spelling of 4651406694 in words is "four billion, six hundred fifty-one million, four hundred six thousand, six hundred ninety-four".