2840121967 has 2 divisors, whose sum is σ = 2840121968. Its totient is φ = 2840121966.

The previous prime is 2840121959. The next prime is 2840122001. The reversal of 2840121967 is 7691210482.

2840121967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2840121967 - 2³ = 2840121959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2840101967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1420060983 + 1420060984.

It is an arithmetic number, because the mean of its divisors is an integer number (1420060984).

Almost surely, 2^2840121967 is an apocalyptic number.

2840121967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2840121967 is an equidigital number, since it uses as much as digits as its factorization.

2840121967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 2840121967 is about 53292.7947005972. The cubic root of 2840121967 is about 1416.1600224992.

The spelling of 2840121967 in words is "two billion, eight hundred forty million, one hundred twenty-one thousand, nine hundred sixty-seven".