6401342734 has 4 divisors (see below), whose sum is σ = 9602014104. Its totient is φ = 3200671366.

The previous prime is 6401342729. The next prime is 6401342789. The reversal of 6401342734 is 4372431046.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4372431046 = 2 ⋅2186215523.

It is a self number, because there is not a number n which added to its sum of digits gives 6401342734.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600335682 + ... + 1600335685.

It is an arithmetic number, because the mean of its divisors is an integer number (2400503526).

Almost surely, 2^6401342734 is an apocalyptic number.

6401342734 is a deficient number, since it is larger than the sum of its proper divisors (3200671370).

6401342734 is a wasteful number, since it uses less digits than its factorization.

6401342734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200671369.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 6401342734 is about 80008.3916473766. The cubic root of 6401342734 is about 1856.7653664312.

The spelling of 6401342734 in words is "six billion, four hundred one million, three hundred forty-two thousand, seven hundred thirty-four".