1738028149 has 12 divisors (see below), whose sum is σ = 2057349868. Its totient is φ = 1458483840.

The previous prime is 1738028101. The next prime is 1738028161. The reversal of 1738028149 is 9418208371.

It can be written as a sum of positive squares in 2 ways, for example, as 307827025 + 1430201124 = 17545^2 + 37818^2 .

It is not a de Polignac number, because 1738028149 - 2¹³ = 1738019957 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 (1738028179) 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, 550884 + ... + 554029.

Almost surely, 2^1738028149 is an apocalyptic number.

It is an amenable number.

1738028149 is a deficient number, since it is larger than the sum of its proper divisors (319321719).

1738028149 is a wasteful number, since it uses less digits than its factorization.

1738028149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104948 (or 1104937 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 1738028149 is about 41689.6647743778. The cubic root of 1738028149 is about 1202.3168547284.

The spelling of 1738028149 in words is "one billion, seven hundred thirty-eight million, twenty-eight thousand, one hundred forty-nine".