2919121109417 has 2 divisors, whose sum is σ = 2919121109418. Its totient is φ = 2919121109416.

The previous prime is 2919121109363. The next prime is 2919121109473. The reversal of 2919121109417 is 7149011219192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2492037947161 + 427083162256 = 1578619^2 + 653516^2 .

It is a cyclic number.

It is not a de Polignac number, because 2919121109417 - 2⁸ = 2919121109161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2919121109117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1459560554708 + 1459560554709.

It is an arithmetic number, because the mean of its divisors is an integer number (1459560554709).

Almost surely, 2^{2919121109417} is an apocalyptic number.

It is an amenable number.

2919121109417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2919121109417 is an equidigital number, since it uses as much as digits as its factorization.

2919121109417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 47.

The spelling of 2919121109417 in words is "two trillion, nine hundred nineteen billion, one hundred twenty-one million, one hundred nine thousand, four hundred seventeen".