2862120949 has 2 divisors, whose sum is σ = 2862120950. Its totient is φ = 2862120948.

The previous prime is 2862120923. The next prime is 2862120967. The reversal of 2862120949 is 9490212682.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2817698724 + 44422225 = 53082^2 + 6665^2 .

It is a cyclic number.

It is not a de Polignac number, because 2862120949 - 2¹¹ = 2862118901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2862120049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1431060474 + 1431060475.

It is an arithmetic number, because the mean of its divisors is an integer number (1431060475).

Almost surely, 2^2862120949 is an apocalyptic number.

It is an amenable number.

2862120949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2862120949 is an equidigital number, since it uses as much as digits as its factorization.

2862120949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 2862120949 is about 53498.7939022928. The cubic root of 2862120949 is about 1419.8070472797.

The spelling of 2862120949 in words is "two billion, eight hundred sixty-two million, one hundred twenty thousand, nine hundred forty-nine".