6461734326405 has 16 divisors (see below), whose sum is σ = 10341947376960. Its totient is φ = 3445200822528.

The previous prime is 6461734326391. The next prime is 6461734326419. The reversal of 6461734326405 is 5046234371646.

It is an interprime number because it is at equal distance from previous prime (6461734326391) and next prime (6461734326419).

It is not a de Polignac number, because 6461734326405 - 2⁴ = 6461734326389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66042292 + ... + 66140061.

It is an arithmetic number, because the mean of its divisors is an integer number (646371711060).

Almost surely, 2^{6461734326405} is an apocalyptic number.

It is an amenable number.

6461734326405 is a deficient number, since it is larger than the sum of its proper divisors (3880213050555).

6461734326405 is a wasteful number, since it uses less digits than its factorization.

6461734326405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132185620.

The product of its (nonzero) digits is 8709120, while the sum is 51.

The spelling of 6461734326405 in words is "six trillion, four hundred sixty-one billion, seven hundred thirty-four million, three hundred twenty-six thousand, four hundred five".