1347949999 has 8 divisors (see below), whose sum is σ = 1471408848. Its totient is φ = 1224644160.

The previous prime is 1347949973. The next prime is 1347950027. The reversal of 1347949999 is 9999497431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1347949999 - 2⁹ = 1347949487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1347949999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347949909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19422 + ... + 55435.

It is an arithmetic number, because the mean of its divisors is an integer number (183926106).

Almost surely, 2^1347949999 is an apocalyptic number.

1347949999 is a deficient number, since it is larger than the sum of its proper divisors (123458849).

1347949999 is a wasteful number, since it uses less digits than its factorization.

1347949999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76505.

The product of its digits is 19840464, while the sum is 64.

The square root of 1347949999 is about 36714.4385630504. The cubic root of 1347949999 is about 1104.6497389077.

The spelling of 1347949999 in words is "one billion, three hundred forty-seven million, nine hundred forty-nine thousand, nine hundred ninety-nine".