354504387929 has 2 divisors, whose sum is σ = 354504387930. Its totient is φ = 354504387928.

The previous prime is 354504387917. The next prime is 354504388031. The reversal of 354504387929 is 929783405453.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 346540610329 + 7963777600 = 588677^2 + 89240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354504387929 is a prime.

It is a super-2 number, since 2×354504387929² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (354504387529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177252193964 + 177252193965.

It is an arithmetic number, because the mean of its divisors is an integer number (177252193965).

Almost surely, 2^354504387929 is an apocalyptic number.

It is an amenable number.

354504387929 is a deficient number, since it is larger than the sum of its proper divisors (1).

354504387929 is an equidigital number, since it uses as much as digits as its factorization.

354504387929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32659200, while the sum is 59.

The spelling of 354504387929 in words is "three hundred fifty-four billion, five hundred four million, three hundred eighty-seven thousand, nine hundred twenty-nine".