354498199091 has 2 divisors, whose sum is σ = 354498199092. Its totient is φ = 354498199090.

The previous prime is 354498199061. The next prime is 354498199103. The reversal of 354498199091 is 190991894453.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354498199091 is a prime.

It is not a weakly prime, because it can be changed into another prime (354498199021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177249099545 + 177249099546.

It is an arithmetic number, because the mean of its divisors is an integer number (177249099546).

Almost surely, 2^354498199091 is an apocalyptic number.

354498199091 is a deficient number, since it is larger than the sum of its proper divisors (1).

354498199091 is an equidigital number, since it uses as much as digits as its factorization.

354498199091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12597120, while the sum is 62.

The spelling of 354498199091 in words is "three hundred fifty-four billion, four hundred ninety-eight million, one hundred ninety-nine thousand, ninety-one".