2453891939 has 2 divisors, whose sum is σ = 2453891940. Its totient is φ = 2453891938.

The previous prime is 2453891899. The next prime is 2453891963. The reversal of 2453891939 is 9391983542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2453891939 is a prime.

It is not a weakly prime, because it can be changed into another prime (2453891239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1226945969 + 1226945970.

It is an arithmetic number, because the mean of its divisors is an integer number (1226945970).

Almost surely, 2^2453891939 is an apocalyptic number.

2453891939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2453891939 is an equidigital number, since it uses as much as digits as its factorization.

2453891939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 53.

The square root of 2453891939 is about 49536.7736030517. The cubic root of 2453891939 is about 1348.8132119588.

The spelling of 2453891939 in words is "two billion, four hundred fifty-three million, eight hundred ninety-one thousand, nine hundred thirty-nine".