1349246719 has 4 divisors (see below), whose sum is σ = 1377954144. Its totient is φ = 1320539296.

The previous prime is 1349246713. The next prime is 1349246741. The reversal of 1349246719 is 9176429431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1349246719 - 2³ = 1349246711 is a prime.

It is a super-2 number, since 2×1349246719² = 3640933417464529922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349246711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14353642 + ... + 14353735.

It is an arithmetic number, because the mean of its divisors is an integer number (344488536).

Almost surely, 2^1349246719 is an apocalyptic number.

1349246719 is a deficient number, since it is larger than the sum of its proper divisors (28707425).

1349246719 is an equidigital number, since it uses as much as digits as its factorization.

1349246719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28707424.

The product of its digits is 326592, while the sum is 46.

The square root of 1349246719 is about 36732.0938553739. The cubic root of 1349246719 is about 1105.0038475737.

The spelling of 1349246719 in words is "one billion, three hundred forty-nine million, two hundred forty-six thousand, seven hundred nineteen".