6401275746 has 16 divisors (see below), whose sum is σ = 13215537408. Its totient is φ = 2064927600.

The previous prime is 6401275739. The next prime is 6401275781. The reversal of 6401275746 is 6475721046.

It is a junction number, because it is equal to n+sod(n) for n = 6401275698 and 6401275707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17207545 + ... + 17207916.

It is an arithmetic number, because the mean of its divisors is an integer number (825971088).

Almost surely, 2^6401275746 is an apocalyptic number.

6401275746 is an abundant number, since it is smaller than the sum of its proper divisors (6814261662).

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

6401275746 is a wasteful number, since it uses less digits than its factorization.

6401275746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34415497.

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 6401275746 is about 80007.9730151939. The cubic root of 6401275746 is about 1856.7588895905.

The spelling of 6401275746 in words is "six billion, four hundred one million, two hundred seventy-five thousand, seven hundred forty-six".