402104233819 has 2 divisors, whose sum is σ = 402104233820.
Its totient is φ = 402104233818.
The previous prime is 402104233789. The next prime is 402104233837. The reversal of 402104233819 is 918332401204.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 402104233819 - 223 = 402095845211 is a prime.
It is a super-2 number, since 2×4021042338192 (a number of 24 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (402104233919) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201052116909 + 201052116910.
It is an arithmetic number, because the mean of its divisors is an integer number (201052116910).
Almost surely, 2402104233819 is an apocalyptic number.
402104233819 is a deficient number, since it is larger than the sum of its proper divisors (1).
402104233819 is an equidigital number, since it uses as much as digits as its factorization.
402104233819 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 41472, while the sum is 37.
The spelling of 402104233819 in words is "four hundred two billion, one hundred four million, two hundred thirty-three thousand, eight hundred nineteen".