2053440947 has 2 divisors, whose sum is σ = 2053440948. Its totient is φ = 2053440946.

The previous prime is 2053440929. The next prime is 2053440953. The reversal of 2053440947 is 7490443502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2053440947 - 2⁸ = 2053440691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2053440947.

It is not a weakly prime, because it can be changed into another prime (2053440247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026720473 + 1026720474.

It is an arithmetic number, because the mean of its divisors is an integer number (1026720474).

Almost surely, 2^2053440947 is an apocalyptic number.

2053440947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2053440947 is an equidigital number, since it uses as much as digits as its factorization.

2053440947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 2053440947 is about 45314.9086614990. The cubic root of 2053440947 is about 1271.0444519413.

The spelling of 2053440947 in words is "two billion, fifty-three million, four hundred forty thousand, nine hundred forty-seven".