349501420061 has 4 divisors (see below), whose sum is σ = 349606410300. Its totient is φ = 349396429824.

The previous prime is 349501420027. The next prime is 349501420087. The reversal of 349501420061 is 160024105943.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 175670795161 + 173830624900 = 419131^2 + 416930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349501420061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349501420561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52490126 + ... + 52496783.

It is an arithmetic number, because the mean of its divisors is an integer number (87401602575).

Almost surely, 2^349501420061 is an apocalyptic number.

It is an amenable number.

349501420061 is a deficient number, since it is larger than the sum of its proper divisors (104990239).

349501420061 is a wasteful number, since it uses less digits than its factorization.

349501420061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104990238.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 349501420061 in words is "three hundred forty-nine billion, five hundred one million, four hundred twenty thousand, sixty-one".