6881434501 has 4 divisors (see below), whose sum is σ = 6925265452. Its totient is φ = 6837603552.

The previous prime is 6881434487. The next prime is 6881434517. The reversal of 6881434501 is 1054341886.

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 1523340900 + 5358093601 = 39030^2 + 73199^2 .

It is a cyclic number.

It is not a de Polignac number, because 6881434501 - 2¹⁵ = 6881401733 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 (6881434531) 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, 21915240 + ... + 21915553.

It is an arithmetic number, because the mean of its divisors is an integer number (1731316363).

Almost surely, 2^6881434501 is an apocalyptic number.

It is an amenable number.

6881434501 is a deficient number, since it is larger than the sum of its proper divisors (43830951).

6881434501 is a wasteful number, since it uses less digits than its factorization.

6881434501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43830950.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 6881434501 is about 82954.4121852479. The cubic root of 6881434501 is about 1902.0692599879.

The spelling of 6881434501 in words is "six billion, eight hundred eighty-one million, four hundred thirty-four thousand, five hundred one".