1949616015 has 32 divisors (see below), whose sum is σ = 3328148736. Its totient is φ = 971143680.

The previous prime is 1949615959. The next prime is 1949616023. The reversal of 1949616015 is 5106169491.

It is not a de Polignac number, because 1949616015 - 2¹⁰ = 1949614991 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4224 + ... + 62586.

It is an arithmetic number, because the mean of its divisors is an integer number (104004648).

Almost surely, 2^1949616015 is an apocalyptic number.

1949616015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1949616015 is a deficient number, since it is larger than the sum of its proper divisors (1378532721).

1949616015 is a wasteful number, since it uses less digits than its factorization.

1949616015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58519.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 1949616015 is about 44154.4563436127. The cubic root of 1949616015 is about 1249.2509677836.

It can be divided in two parts, 19496 and 16015, that added together give a triangular number (35511 = T₂₆₆).

The spelling of 1949616015 in words is "one billion, nine hundred forty-nine million, six hundred sixteen thousand, fifteen".