1909614212198 has 48 divisors (see below), whose sum is σ = 3714355018752. Its totient is φ = 720005338800.

The previous prime is 1909614212197. The next prime is 1909614212203. The reversal of 1909614212198 is 8912124169091.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1909614212197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18129440 + ... + 18234467.

It is an arithmetic number, because the mean of its divisors is an integer number (77382396224).

Almost surely, 2^{1909614212198} is an apocalyptic number.

1909614212198 is a deficient number, since it is larger than the sum of its proper divisors (1804740806554).

1909614212198 is a wasteful number, since it uses less digits than its factorization.

1909614212198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36363969 (or 36363958 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 53.

The spelling of 1909614212198 in words is "one trillion, nine hundred nine billion, six hundred fourteen million, two hundred twelve thousand, one hundred ninety-eight".