354004021403 has 2 divisors, whose sum is σ = 354004021404. Its totient is φ = 354004021402.

The previous prime is 354004021373. The next prime is 354004021421. The reversal of 354004021403 is 304120400453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354004021403 - 2⁶ = 354004021339 is a prime.

It is not a weakly prime, because it can be changed into another prime (354004021433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177002010701 + 177002010702.

It is an arithmetic number, because the mean of its divisors is an integer number (177002010702).

Almost surely, 2^354004021403 is an apocalyptic number.

354004021403 is a deficient number, since it is larger than the sum of its proper divisors (1).

354004021403 is an equidigital number, since it uses as much as digits as its factorization.

354004021403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 354004021403 its reverse (304120400453), we get a palindrome (658124421856).

The spelling of 354004021403 in words is "three hundred fifty-four billion, four million, twenty-one thousand, four hundred three".