490142777 has 2 divisors, whose sum is σ = 490142778. Its totient is φ = 490142776.

The previous prime is 490142693. The next prime is 490142797. The reversal of 490142777 is 777241094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 450967696 + 39175081 = 21236^2 + 6259^2 .

It is a cyclic number.

It is not a de Polignac number, because 490142777 - 2¹² = 490138681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (490142797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245071388 + 245071389.

It is an arithmetic number, because the mean of its divisors is an integer number (245071389).

Almost surely, 2^490142777 is an apocalyptic number.

It is an amenable number.

490142777 is a deficient number, since it is larger than the sum of its proper divisors (1).

490142777 is an equidigital number, since it uses as much as digits as its factorization.

490142777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 490142777 is about 22139.1683899825. The cubic root of 490142777 is about 788.4500813952.

The spelling of 490142777 in words is "four hundred ninety million, one hundred forty-two thousand, seven hundred seventy-seven".