1438105499 has 2 divisors, whose sum is σ = 1438105500. Its totient is φ = 1438105498.

The previous prime is 1438105481. The next prime is 1438105507. The reversal of 1438105499 is 9945018341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1438105499 - 2¹² = 1438101403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1437105499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719052749 + 719052750.

It is an arithmetic number, because the mean of its divisors is an integer number (719052750).

Almost surely, 2^1438105499 is an apocalyptic number.

1438105499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1438105499 is an equidigital number, since it uses as much as digits as its factorization.

1438105499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 1438105499 is about 37922.3614639173. The cubic root of 1438105499 is about 1128.7477968518.

The spelling of 1438105499 in words is "one billion, four hundred thirty-eight million, one hundred five thousand, four hundred ninety-nine".