354038338889 has 2 divisors, whose sum is σ = 354038338890. Its totient is φ = 354038338888.

The previous prime is 354038338883. The next prime is 354038338937. The reversal of 354038338889 is 988833830453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 352954810000 + 1083528889 = 594100^2 + 32917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354038338889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (354038338883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177019169444 + 177019169445.

It is an arithmetic number, because the mean of its divisors is an integer number (177019169445).

Almost surely, 2^354038338889 is an apocalyptic number.

It is an amenable number.

354038338889 is a deficient number, since it is larger than the sum of its proper divisors (1).

354038338889 is an equidigital number, since it uses as much as digits as its factorization.

354038338889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59719680, while the sum is 62.

The spelling of 354038338889 in words is "three hundred fifty-four billion, thirty-eight million, three hundred thirty-eight thousand, eight hundred eighty-nine".