1306845990619 has 4 divisors (see below), whose sum is σ = 1407372605296. Its totient is φ = 1206319375944.

The previous prime is 1306845990607. The next prime is 1306845990647. The reversal of 1306845990619 is 9160995486031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1306845990619 - 2¹³ = 1306845982427 is a prime.

It is a super-2 number, since 2×1306845990619² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306845960619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50263307319 + ... + 50263307344.

It is an arithmetic number, because the mean of its divisors is an integer number (351843151324).

Almost surely, 2^{1306845990619} is an apocalyptic number.

1306845990619 is a deficient number, since it is larger than the sum of its proper divisors (100526614677).

1306845990619 is a wasteful number, since it uses less digits than its factorization.

1306845990619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100526614676.

The product of its (nonzero) digits is 12597120, while the sum is 61.

The spelling of 1306845990619 in words is "one trillion, three hundred six billion, eight hundred forty-five million, nine hundred ninety thousand, six hundred nineteen".