1517349379 has 16 divisors (see below), whose sum is σ = 1869968128. Its totient is φ = 1198958112.

The previous prime is 1517349377. The next prime is 1517349403. The reversal of 1517349379 is 9739437151.

It is a cyclic number.

It is not a de Polignac number, because 1517349379 - 2¹ = 1517349377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1517349377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61024 + ... + 82210.

It is an arithmetic number, because the mean of its divisors is an integer number (116873008).

Almost surely, 2^1517349379 is an apocalyptic number.

1517349379 is a deficient number, since it is larger than the sum of its proper divisors (352618749).

1517349379 is a wasteful number, since it uses less digits than its factorization.

1517349379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21994.

The product of its digits is 714420, while the sum is 49.

The square root of 1517349379 is about 38953.1690495138. The cubic root of 1517349379 is about 1149.1106871270.

The spelling of 1517349379 in words is "one billion, five hundred seventeen million, three hundred forty-nine thousand, three hundred seventy-nine".