4950155209 has 2 divisors, whose sum is σ = 4950155210. Its totient is φ = 4950155208.

The previous prime is 4950155143. The next prime is 4950155263. The reversal of 4950155209 is 9025510594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3752787600 + 1197367609 = 61260^2 + 34603^2 .

It is a cyclic number.

It is not a de Polignac number, because 4950155209 - 2¹³ = 4950147017 is a prime.

It is not a weakly prime, because it can be changed into another prime (4950155269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2475077604 + 2475077605.

It is an arithmetic number, because the mean of its divisors is an integer number (2475077605).

Almost surely, 2^4950155209 is an apocalyptic number.

It is an amenable number.

4950155209 is a deficient number, since it is larger than the sum of its proper divisors (1).

4950155209 is an equidigital number, since it uses as much as digits as its factorization.

4950155209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 40.

The square root of 4950155209 is about 70357.3394110380. The cubic root of 4950155209 is about 1704.2747331987.

The spelling of 4950155209 in words is "four billion, nine hundred fifty million, one hundred fifty-five thousand, two hundred nine".