1219345929907 has 16 divisors (see below), whose sum is σ = 1475809777152. Its totient is φ = 983474870400.

The previous prime is 1219345929797. The next prime is 1219345929961. The reversal of 1219345929907 is 7099295439121.

It is a cyclic number.

It is not a de Polignac number, because 1219345929907 - 2⁷ = 1219345929779 is a prime.

It is a super-4 number, since 4×1219345929907⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1219345929007) 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, 445633 + ... + 1623970.

It is an arithmetic number, because the mean of its divisors is an integer number (92238111072).

Almost surely, 2^{1219345929907} is an apocalyptic number.

1219345929907 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1219345929907 is a deficient number, since it is larger than the sum of its proper divisors (256463847245).

1219345929907 is a wasteful number, since it uses less digits than its factorization.

1219345929907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074578.

The product of its (nonzero) digits is 11022480, while the sum is 61.

The spelling of 1219345929907 in words is "one trillion, two hundred nineteen billion, three hundred forty-five million, nine hundred twenty-nine thousand, nine hundred seven".