4951130161 has 2 divisors, whose sum is σ = 4951130162. Its totient is φ = 4951130160.

The previous prime is 4951130141. The next prime is 4951130189. The reversal of 4951130161 is 1610311594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4469591025 + 481539136 = 66855^2 + 21944^2 .

It is a cyclic number.

It is not a de Polignac number, because 4951130161 - 2²¹ = 4949033009 is a prime.

It is not a weakly prime, because it can be changed into another prime (4951130131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2475565080 + 2475565081.

It is an arithmetic number, because the mean of its divisors is an integer number (2475565081).

Almost surely, 2^4951130161 is an apocalyptic number.

It is an amenable number.

4951130161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4951130161 is an equidigital number, since it uses as much as digits as its factorization.

4951130161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 4951130161 is about 70364.2676434566. The cubic root of 4951130161 is about 1704.3866136627.

The spelling of 4951130161 in words is "four billion, nine hundred fifty-one million, one hundred thirty thousand, one hundred sixty-one".