1949059545 has 16 divisors (see below), whose sum is σ = 3202779840. Its totient is φ = 1011403584.

The previous prime is 1949059543. The next prime is 1949059549. The reversal of 1949059545 is 5459509491.

It is not a de Polignac number, because 1949059545 - 2¹ = 1949059543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1949059543) 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, 1755355 + ... + 1756464.

It is an arithmetic number, because the mean of its divisors is an integer number (200173740).

Almost surely, 2^1949059545 is an apocalyptic number.

1949059545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1949059545 is a deficient number, since it is larger than the sum of its proper divisors (1253720295).

1949059545 is a wasteful number, since it uses less digits than its factorization.

1949059545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511864.

The product of its (nonzero) digits is 1458000, while the sum is 51.

The square root of 1949059545 is about 44148.1544914394. The cubic root of 1949059545 is about 1249.1321004731.

The spelling of 1949059545 in words is "one billion, nine hundred forty-nine million, fifty-nine thousand, five hundred forty-five".