6401654343 has 48 divisors (see below), whose sum is σ = 11240609760. Its totient is φ = 3589028352.

The previous prime is 6401654323. The next prime is 6401654353. The reversal of 6401654343 is 3434561046.

6401654343 is a `hidden beast` number, since 64 + 0 + 16 + 543 + 43 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-6401654343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6401654298 and 6401654307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6401654323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24471 + ... + 115767.

It is an arithmetic number, because the mean of its divisors is an integer number (234179370).

Almost surely, 2^6401654343 is an apocalyptic number.

6401654343 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

6401654343 is a deficient number, since it is larger than the sum of its proper divisors (4838955417).

6401654343 is a wasteful number, since it uses less digits than its factorization.

6401654343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91373 (or 91360 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 6401654343 is about 80010.3389756599. The cubic root of 6401654343 is about 1856.7954942463.

The spelling of 6401654343 in words is "six billion, four hundred one million, six hundred fifty-four thousand, three hundred forty-three".