4651421446 has 16 divisors (see below), whose sum is σ = 8083098144. Its totient is φ = 1966158144.

The previous prime is 4651421371. The next prime is 4651421449. The reversal of 4651421446 is 6441241564.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4651421449) 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, 2274625 + ... + 2276668.

It is an arithmetic number, because the mean of its divisors is an integer number (505193634).

Almost surely, 2^4651421446 is an apocalyptic number.

4651421446 is a deficient number, since it is larger than the sum of its proper divisors (3431676698).

4651421446 is a wasteful number, since it uses less digits than its factorization.

4651421446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551375.

The product of its digits is 92160, while the sum is 37.

The square root of 4651421446 is about 68201.3302362938. The cubic root of 4651421446 is about 1669.2775923356.

The spelling of 4651421446 in words is "four billion, six hundred fifty-one million, four hundred twenty-one thousand, four hundred forty-six".