83400209419 has 2 divisors, whose sum is σ = 83400209420. Its totient is φ = 83400209418.

The previous prime is 83400209411. The next prime is 83400209423. The reversal of 83400209419 is 91490200438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83400209419 - 2³ = 83400209411 is a prime.

It is a super-2 number, since 2×83400209419² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83400209411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41700104709 + 41700104710.

It is an arithmetic number, because the mean of its divisors is an integer number (41700104710).

Almost surely, 2^83400209419 is an apocalyptic number.

83400209419 is a deficient number, since it is larger than the sum of its proper divisors (1).

83400209419 is an equidigital number, since it uses as much as digits as its factorization.

83400209419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 83400209419 in words is "eighty-three billion, four hundred million, two hundred nine thousand, four hundred nineteen".