3491385949201 has 4 divisors (see below), whose sum is σ = 3530615004900. Its totient is φ = 3452156893504.

The previous prime is 3491385949193. The next prime is 3491385949211. The reversal of 3491385949201 is 1029495831943.

3491385949201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1999958811601 + 1491427137600 = 1414199^2 + 1221240^2 .

It is a cyclic number.

It is not a de Polignac number, because 3491385949201 - 2³ = 3491385949193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3491385949211) 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, 19614527716 + ... + 19614527893.

It is an arithmetic number, because the mean of its divisors is an integer number (882653751225).

Almost surely, 2^{3491385949201} is an apocalyptic number.

It is an amenable number.

3491385949201 is a deficient number, since it is larger than the sum of its proper divisors (39229055699).

3491385949201 is an equidigital number, since it uses as much as digits as its factorization.

3491385949201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39229055698.

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 3491385949201 in words is "three trillion, four hundred ninety-one billion, three hundred eighty-five million, nine hundred forty-nine thousand, two hundred one".