6401431402211 has 16 divisors (see below), whose sum is σ = 6435609189888. Its totient is φ = 6367361464800.

The previous prime is 6401431402187. The next prime is 6401431402253. The reversal of 6401431402211 is 1122041341046.

It is a cyclic number.

It is not a de Polignac number, because 6401431402211 - 2⁶ = 6401431402147 is a prime.

It is a super-3 number, since 3×6401431402211³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6401431482211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274598246 + ... + 274621556.

It is an arithmetic number, because the mean of its divisors is an integer number (402225574368).

Almost surely, 2^{6401431402211} is an apocalyptic number.

6401431402211 is a deficient number, since it is larger than the sum of its proper divisors (34177787677).

6401431402211 is a wasteful number, since it uses less digits than its factorization.

6401431402211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25562.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 6401431402211 its reverse (1122041341046), we get a palindrome (7523472743257).

The spelling of 6401431402211 in words is "six trillion, four hundred one billion, four hundred thirty-one million, four hundred two thousand, two hundred eleven".