4651211651 has 4 divisors (see below), whose sum is σ = 4776920112. Its totient is φ = 4525503192.

The previous prime is 4651211629. The next prime is 4651211671. The reversal of 4651211651 is 1561121564.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4651211651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4651211671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62854175 + ... + 62854248.

It is an arithmetic number, because the mean of its divisors is an integer number (1194230028).

Almost surely, 2^4651211651 is an apocalyptic number.

4651211651 is a deficient number, since it is larger than the sum of its proper divisors (125708461).

4651211651 is a wasteful number, since it uses less digits than its factorization.

4651211651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125708460.

The product of its digits is 7200, while the sum is 32.

The square root of 4651211651 is about 68199.7921624399. The cubic root of 4651211651 is about 1669.2524952506.

The spelling of 4651211651 in words is "four billion, six hundred fifty-one million, two hundred eleven thousand, six hundred fifty-one".