1774985349 has 8 divisors (see below), whose sum is σ = 2430610720. Its totient is φ = 1151341776.

The previous prime is 1774985341. The next prime is 1774985353. The reversal of 1774985349 is 9435894771.

It is a happy number.

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

It is not a de Polignac number, because 1774985349 - 2³ = 1774985341 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 (1774985341) 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, 7995319 + ... + 7995540.

It is an arithmetic number, because the mean of its divisors is an integer number (303826340).

Almost surely, 2^1774985349 is an apocalyptic number.

It is an amenable number.

1774985349 is a deficient number, since it is larger than the sum of its proper divisors (655625371).

1774985349 is a wasteful number, since it uses less digits than its factorization.

1774985349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15990899.

The product of its digits is 7620480, while the sum is 57.

The square root of 1774985349 is about 42130.5749901423. The cubic root of 1774985349 is about 1210.7791236925.

The spelling of 1774985349 in words is "one billion, seven hundred seventy-four million, nine hundred eighty-five thousand, three hundred forty-nine".