6534426377 has 4 divisors (see below), whose sum is σ = 6562961220. Its totient is φ = 6505891536.

The previous prime is 6534426331. The next prime is 6534426383. The reversal of 6534426377 is 7736244356.

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 6009970576 + 524455801 = 77524^2 + 22901^2 .

It is a cyclic number.

It is not a de Polignac number, because 6534426377 - 2¹⁰ = 6534425353 is a prime.

It is a super-3 number, since 3×6534426377³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6534426307) 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, 14267078 + ... + 14267535.

It is an arithmetic number, because the mean of its divisors is an integer number (1640740305).

Almost surely, 2^6534426377 is an apocalyptic number.

It is an amenable number.

6534426377 is a deficient number, since it is larger than the sum of its proper divisors (28534843).

6534426377 is a wasteful number, since it uses less digits than its factorization.

6534426377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28534842.

The product of its digits is 2540160, while the sum is 47.

The square root of 6534426377 is about 80835.7988579317. The cubic root of 6534426377 is about 1869.5445693314.

The spelling of 6534426377 in words is "six billion, five hundred thirty-four million, four hundred twenty-six thousand, three hundred seventy-seven".