2103554399 has 2 divisors, whose sum is σ = 2103554400. Its totient is φ = 2103554398.

The previous prime is 2103554359. The next prime is 2103554413. The reversal of 2103554399 is 9934553012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2103554399 is a prime.

It is a super-2 number, since 2×2103554399² = 8849882219104502402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103554329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051777199 + 1051777200.

It is an arithmetic number, because the mean of its divisors is an integer number (1051777200).

Almost surely, 2^2103554399 is an apocalyptic number.

2103554399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103554399 is an equidigital number, since it uses as much as digits as its factorization.

2103554399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 2103554399 is about 45864.5222257902. The cubic root of 2103554399 is about 1281.3012481139.

The spelling of 2103554399 in words is "two billion, one hundred three million, five hundred fifty-four thousand, three hundred ninety-nine".