6406355701 has 4 divisors (see below), whose sum is σ = 6783200172. Its totient is φ = 6029511232.

The previous prime is 6406355699. The next prime is 6406355717. The reversal of 6406355701 is 1075536046.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5260600900 + 1145754801 = 72530^2 + 33849^2 .

It is a cyclic number.

It is not a de Polignac number, because 6406355701 - 2¹ = 6406355699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6406355741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188422210 + ... + 188422243.

It is an arithmetic number, because the mean of its divisors is an integer number (1695800043).

Almost surely, 2^6406355701 is an apocalyptic number.

It is an amenable number.

6406355701 is a deficient number, since it is larger than the sum of its proper divisors (376844471).

6406355701 is a wasteful number, since it uses less digits than its factorization.

6406355701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376844470.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 6406355701 is about 80039.7132740991. The cubic root of 6406355701 is about 1857.2499249185.

The spelling of 6406355701 in words is "six billion, four hundred six million, three hundred fifty-five thousand, seven hundred one".