1349021697 has 8 divisors (see below), whose sum is σ = 1800797856. Its totient is φ = 898296672.

The previous prime is 1349021693. The next prime is 1349021701. The reversal of 1349021697 is 7961209431.

It is an interprime number because it is at equal distance from previous prime (1349021693) and next prime (1349021701).

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

It is not a de Polignac number, because 1349021697 - 2² = 1349021693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1349021693) 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, 259783 + ... + 264924.

It is an arithmetic number, because the mean of its divisors is an integer number (225099732).

Almost surely, 2^1349021697 is an apocalyptic number.

It is an amenable number.

1349021697 is a deficient number, since it is larger than the sum of its proper divisors (451776159).

1349021697 is an equidigital number, since it uses as much as digits as its factorization.

1349021697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525567.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 1349021697 is about 36729.0307114141. The cubic root of 1349021697 is about 1104.9424147765.

The spelling of 1349021697 in words is "one billion, three hundred forty-nine million, twenty-one thousand, six hundred ninety-seven".