1349775917 has 8 divisors (see below), whose sum is σ = 1543878336. Its totient is φ = 1155992832.

The previous prime is 1349775899. The next prime is 1349775919. The reversal of 1349775917 is 7195779431.

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 1349775917 - 2¹⁰ = 1349774893 is a prime.

It is a super-2 number, since 2×1349775917² = 3643790052226381778, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349775919) 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, 70703 + ... + 87740.

It is an arithmetic number, because the mean of its divisors is an integer number (192984792).

Almost surely, 2^1349775917 is an apocalyptic number.

It is an amenable number.

1349775917 is a deficient number, since it is larger than the sum of its proper divisors (194102419).

1349775917 is a wasteful number, since it uses less digits than its factorization.

1349775917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159667.

The product of its digits is 1666980, while the sum is 53.

The square root of 1349775917 is about 36739.2966318083. The cubic root of 1349775917 is about 1105.1482959247.

The spelling of 1349775917 in words is "one billion, three hundred forty-nine million, seven hundred seventy-five thousand, nine hundred seventeen".