1386199459 has 2 divisors, whose sum is σ = 1386199460. Its totient is φ = 1386199458.

The previous prime is 1386199439. The next prime is 1386199531. The reversal of 1386199459 is 9549916831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1386199459 - 2⁵ = 1386199427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1386199429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693099729 + 693099730.

It is an arithmetic number, because the mean of its divisors is an integer number (693099730).

Almost surely, 2^1386199459 is an apocalyptic number.

1386199459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386199459 is an equidigital number, since it uses as much as digits as its factorization.

1386199459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 55.

The square root of 1386199459 is about 37231.6996523124. The cubic root of 1386199459 is about 1115.0009609408. Note that the first 3 decimals are identical.

The spelling of 1386199459 in words is "one billion, three hundred eighty-six million, one hundred ninety-nine thousand, four hundred fifty-nine".