1349299551 has 4 divisors (see below), whose sum is σ = 1799066072. Its totient is φ = 899533032.

The previous prime is 1349299529. The next prime is 1349299591. The reversal of 1349299551 is 1559929431.

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

It is not a de Polignac number, because 1349299551 - 2⁵ = 1349299519 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 1349299551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349299591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224883256 + ... + 224883261.

It is an arithmetic number, because the mean of its divisors is an integer number (449766518).

Almost surely, 2^1349299551 is an apocalyptic number.

1349299551 is a deficient number, since it is larger than the sum of its proper divisors (449766521).

1349299551 is an equidigital number, since it uses as much as digits as its factorization.

1349299551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449766520.

The product of its digits is 437400, while the sum is 48.

The square root of 1349299551 is about 36732.8130014569. The cubic root of 1349299551 is about 1105.0182701401.

The spelling of 1349299551 in words is "one billion, three hundred forty-nine million, two hundred ninety-nine thousand, five hundred fifty-one".