1349279481 has 16 divisors (see below), whose sum is σ = 2015633088. Its totient is φ = 795643200.

The previous prime is 1349279479. The next prime is 1349279507. The reversal of 1349279481 is 1849729431.

It is not a de Polignac number, because 1349279481 - 2¹ = 1349279479 is a prime.

It is a super-2 number, since 2×1349279481² = 3641110235695258722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1349279481.

It is not an unprimeable number, because it can be changed into a prime (1349279401) 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 15 ways as a sum of consecutive naturals, for example, 551310 + ... + 553751.

It is an arithmetic number, because the mean of its divisors is an integer number (125977068).

Almost surely, 2^1349279481 is an apocalyptic number.

1349279481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1349279481 is a deficient number, since it is larger than the sum of its proper divisors (666353607).

1349279481 is a wasteful number, since it uses less digits than its factorization.

1349279481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105112.

The product of its digits is 435456, while the sum is 48.

The square root of 1349279481 is about 36732.5398114533. The cubic root of 1349279481 is about 1105.0127912908.

The spelling of 1349279481 in words is "one billion, three hundred forty-nine million, two hundred seventy-nine thousand, four hundred eighty-one".