1351793349 has 12 divisors (see below), whose sum is σ = 1969871436. Its totient is φ = 893219712.

The previous prime is 1351793299. The next prime is 1351793351. The reversal of 1351793349 is 9433971531.

1351793349 is a `hidden beast` number, since 1 + 3 + 517 + 93 + 3 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 78588225 + 1273205124 = 8865^2 + 35682^2 .

It is not a de Polignac number, because 1351793349 - 2¹³ = 1351785157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351793389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 663582 + ... + 665615.

It is an arithmetic number, because the mean of its divisors is an integer number (164155953).

Almost surely, 2^1351793349 is an apocalyptic number.

It is an amenable number.

1351793349 is a deficient number, since it is larger than the sum of its proper divisors (618078087).

1351793349 is a wasteful number, since it uses less digits than its factorization.

1351793349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329316 (or 1329313 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 1351793349 is about 36766.7424311700. The cubic root of 1351793349 is about 1105.6986222496.

The spelling of 1351793349 in words is "one billion, three hundred fifty-one million, seven hundred ninety-three thousand, three hundred forty-nine".