4951636897 has 2 divisors, whose sum is σ = 4951636898. Its totient is φ = 4951636896.

The previous prime is 4951636867. The next prime is 4951636927. The reversal of 4951636897 is 7986361594.

It is a balanced prime because it is at equal distance from previous prime (4951636867) and next prime (4951636927).

It can be written as a sum of positive squares in only one way, i.e., 2890567696 + 2061069201 = 53764^2 + 45399^2 .

It is a cyclic number.

It is not a de Polignac number, because 4951636897 - 2²⁷ = 4817419169 is a prime.

It is not a weakly prime, because it can be changed into another prime (4951636817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2475818448 + 2475818449.

It is an arithmetic number, because the mean of its divisors is an integer number (2475818449).

Almost surely, 2^4951636897 is an apocalyptic number.

It is an amenable number.

4951636897 is a deficient number, since it is larger than the sum of its proper divisors (1).

4951636897 is an equidigital number, since it uses as much as digits as its factorization.

4951636897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 58.

The square root of 4951636897 is about 70367.8683562320. The cubic root of 4951636897 is about 1704.4447582724. Note that the first 3 decimals are identical.

The spelling of 4951636897 in words is "four billion, nine hundred fifty-one million, six hundred thirty-six thousand, eight hundred ninety-seven".