1350668749 has 8 divisors (see below), whose sum is σ = 1364096000. Its totient is φ = 1337285376.

The previous prime is 1350668741. The next prime is 1350668777. The reversal of 1350668749 is 9478660531.

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 1350668749 - 2³ = 1350668741 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 (1350668741) 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, 52717 + ... + 74029.

It is an arithmetic number, because the mean of its divisors is an integer number (170512000).

Almost surely, 2^1350668749 is an apocalyptic number.

It is an amenable number.

1350668749 is a deficient number, since it is larger than the sum of its proper divisors (13427251).

1350668749 is a wasteful number, since it uses less digits than its factorization.

1350668749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21939.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 1350668749 is about 36751.4455361963. The cubic root of 1350668749 is about 1105.3919151980.

The spelling of 1350668749 in words is "one billion, three hundred fifty million, six hundred sixty-eight thousand, seven hundred forty-nine".