6743401401636 has 189 divisors, whose sum is σ = 18680955758283. Its totient is φ = 2128653814320.

The previous prime is 6743401401557. The next prime is 6743401401637. The reversal of 6743401401636 is 6361041043476.

The square root of 6743401401636 is 2596806.

It is a perfect power (a square), and thus also a powerful number.

6743401401636 is a `hidden beast` number, since 6 + 7 + 4 + 3 + 4 + 0 + 1 + 4 + 0 + 1 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6743401401591 and 6743401401600.

It is not an unprimeable number, because it can be changed into a prime (6743401401637) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 2664321691 + ... + 2664324221.

Almost surely, 2^{6743401401636} is an apocalyptic number.

6743401401636 is the 2596806-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6743401401636

6743401401636 is an abundant number, since it is smaller than the sum of its proper divisors (11937554356647).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6743401401636 is an frugal number, since it uses more digits than its factorization.

6743401401636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122 (or 2555 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 6743401401636 in words is "six trillion, seven hundred forty-three billion, four hundred one million, four hundred one thousand, six hundred thirty-six".