2951020409 has 2 divisors, whose sum is σ = 2951020410. Its totient is φ = 2951020408.

The previous prime is 2951020399. The next prime is 2951020411. The reversal of 2951020409 is 9040201592.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2916540025 + 34480384 = 54005^2 + 5872^2 .

It is a cyclic number.

It is not a de Polignac number, because 2951020409 - 2¹⁶ = 2950954873 is a prime.

It is a Sophie Germain prime.

Together with 2951020411, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2951020609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1475510204 + 1475510205.

It is an arithmetic number, because the mean of its divisors is an integer number (1475510205).

Almost surely, 2^2951020409 is an apocalyptic number.

It is an amenable number.

2951020409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2951020409 is an equidigital number, since it uses as much as digits as its factorization.

2951020409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 2951020409 is about 54323.2952700773. The cubic root of 2951020409 is about 1434.3574859566.

The spelling of 2951020409 in words is "two billion, nine hundred fifty-one million, twenty thousand, four hundred nine".