354544212219949 has 2 divisors, whose sum is σ = 354544212219950. Its totient is φ = 354544212219948.

The previous prime is 354544212219931. The next prime is 354544212219959. The reversal of 354544212219949 is 949912212445453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294967503445924 + 59576708774025 = 17174618^2 + 7718595^2 .

It is a cyclic number.

It is not a de Polignac number, because 354544212219949 - 2²⁷ = 354544078002221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354544212219919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177272106109974 + 177272106109975.

It is an arithmetic number, because the mean of its divisors is an integer number (177272106109975).

Almost surely, 2^{354544212219949} is an apocalyptic number.

It is an amenable number.

354544212219949 is a deficient number, since it is larger than the sum of its proper divisors (1).

354544212219949 is an equidigital number, since it uses as much as digits as its factorization.

354544212219949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 111974400, while the sum is 64.

The spelling of 354544212219949 in words is "three hundred fifty-four trillion, five hundred forty-four billion, two hundred twelve million, two hundred nineteen thousand, nine hundred forty-nine".