1349470661 has 16 divisors (see below), whose sum is σ = 1685021568. Its totient is φ = 1049932800.

The previous prime is 1349470657. The next prime is 1349470711. The reversal of 1349470661 is 1660749431.

It is not a de Polignac number, because 1349470661 - 2² = 1349470657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349470261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38801 + ... + 64841.

It is an arithmetic number, because the mean of its divisors is an integer number (105313848).

Almost surely, 2^1349470661 is an apocalyptic number.

1349470661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1349470661 is a deficient number, since it is larger than the sum of its proper divisors (335550907).

1349470661 is a wasteful number, since it uses less digits than its factorization.

1349470661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26732.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1349470661 is about 36735.1420440972. The cubic root of 1349470661 is about 1105.0649787414.

The spelling of 1349470661 in words is "one billion, three hundred forty-nine million, four hundred seventy thousand, six hundred sixty-one".