1739149379 has 4 divisors (see below), whose sum is σ = 1897253880. Its totient is φ = 1581044880.

The previous prime is 1739149339. The next prime is 1739149387. The reversal of 1739149379 is 9739419371.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1739149379 - 2⁸ = 1739149123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1739149379.

It is not an unprimeable number, because it can be changed into a prime (1739149339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79052234 + ... + 79052255.

It is an arithmetic number, because the mean of its divisors is an integer number (474313470).

Almost surely, 2^1739149379 is an apocalyptic number.

1739149379 is a deficient number, since it is larger than the sum of its proper divisors (158104501).

1739149379 is a wasteful number, since it uses less digits than its factorization.

1739149379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158104500.

The product of its digits is 1285956, while the sum is 53.

The square root of 1739149379 is about 41703.1099439838. The cubic root of 1739149379 is about 1202.5753438182.

The spelling of 1739149379 in words is "one billion, seven hundred thirty-nine million, one hundred forty-nine thousand, three hundred seventy-nine".