1349692471 has 8 divisors (see below), whose sum is σ = 1381648400. Its totient is φ = 1317762432.

The previous prime is 1349692469. The next prime is 1349692483. The reversal of 1349692471 is 1742969431.

1349692471 = 3919² + 3920² + ... + 4004².

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 1349692471 - 2¹ = 1349692469 is a prime.

It is a super-3 number, since 3×1349692471³ (a number of 28 digits) contains 333 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 (1349692411) 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, 135055 + ... + 144703.

It is an arithmetic number, because the mean of its divisors is an integer number (172706050).

Almost surely, 2^1349692471 is an apocalyptic number.

1349692471 is a deficient number, since it is larger than the sum of its proper divisors (31955929).

1349692471 is an equidigital number, since it uses as much as digits as its factorization.

1349692471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12945.

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

The square root of 1349692471 is about 36738.1609637717. The cubic root of 1349692471 is about 1105.1255212542.

The spelling of 1349692471 in words is "one billion, three hundred forty-nine million, six hundred ninety-two thousand, four hundred seventy-one".