1395069499 has 2 divisors, whose sum is σ = 1395069500. Its totient is φ = 1395069498.

The previous prime is 1395069479. The next prime is 1395069503. The reversal of 1395069499 is 9949605931.

It is a strong prime.

It is an emirp because it is prime and its reverse (9949605931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1395069499 - 2⁷ = 1395069371 is a prime.

It is a super-2 number, since 2×1395069499² = 3892437814080222002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1395069449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697534749 + 697534750.

It is an arithmetic number, because the mean of its divisors is an integer number (697534750).

Almost surely, 2^1395069499 is an apocalyptic number.

1395069499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395069499 is an equidigital number, since it uses as much as digits as its factorization.

1395069499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2361960, while the sum is 55.

The square root of 1395069499 is about 37350.6291647142. The cubic root of 1395069499 is about 1117.3741362048.

The spelling of 1395069499 in words is "one billion, three hundred ninety-five million, sixty-nine thousand, four hundred ninety-nine".