1619248615009 has 9 divisors (see below), whose sum is σ = 1622590707153. Its totient is φ = 1615913400372.

The previous prime is 1619248614989. The next prime is 1619248615051. The reversal of 1619248615009 is 9005168429161.

The square root of 1619248615009 is 1272497.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1619248615009 - 2³¹ = 1617101131361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1619248615069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 818214582 + ... + 818216560.

Almost surely, 2^{1619248615009} is an apocalyptic number.

1619248615009 is the 1272497-th square number.

1619248615009 is the 636249-th centered octagonal number.

It is an amenable number.

1619248615009 is a deficient number, since it is larger than the sum of its proper divisors (3342092144).

1619248615009 is an frugal number, since it uses more digits than its factorization.

1619248615009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5244 (or 2622 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 1619248615009 in words is "one trillion, six hundred nineteen billion, two hundred forty-eight million, six hundred fifteen thousand, nine".