349406859533 has 2 divisors, whose sum is σ = 349406859534. Its totient is φ = 349406859532.

The previous prime is 349406859511. The next prime is 349406859553. The reversal of 349406859533 is 335958604943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347512608004 + 1894251529 = 589502^2 + 43523^2 .

It is a cyclic number.

It is not a de Polignac number, because 349406859533 - 2⁶ = 349406859469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349406859553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174703429766 + 174703429767.

It is an arithmetic number, because the mean of its divisors is an integer number (174703429767).

Almost surely, 2^349406859533 is an apocalyptic number.

It is an amenable number.

349406859533 is a deficient number, since it is larger than the sum of its proper divisors (1).

349406859533 is an equidigital number, since it uses as much as digits as its factorization.

349406859533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41990400, while the sum is 59.

The spelling of 349406859533 in words is "three hundred forty-nine billion, four hundred six million, eight hundred fifty-nine thousand, five hundred thirty-three".