1542617349 has 64 divisors (see below), whose sum is σ = 2724825600. Its totient is φ = 753131520.

The previous prime is 1542617347. The next prime is 1542617369. The reversal of 1542617349 is 9437162451.

It is not a de Polignac number, because 1542617349 - 2¹ = 1542617347 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1542617349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542617341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 280377 + ... + 285825.

It is an arithmetic number, because the mean of its divisors is an integer number (42575400).

Almost surely, 2^1542617349 is an apocalyptic number.

It is an amenable number.

1542617349 is a deficient number, since it is larger than the sum of its proper divisors (1182208251).

1542617349 is a wasteful number, since it uses less digits than its factorization.

1542617349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550.

The product of its digits is 181440, while the sum is 42.

The square root of 1542617349 is about 39276.1676974727. The cubic root of 1542617349 is about 1155.4542041496.

The spelling of 1542617349 in words is "one billion, five hundred forty-two million, six hundred seventeen thousand, three hundred forty-nine".