6939272101 has 4 divisors (see below), whose sum is σ = 6954727500. Its totient is φ = 6923816704.

The previous prime is 6939272083. The next prime is 6939272107. The reversal of 6939272101 is 1012729396.

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 3233628225 + 3705643876 = 56865^2 + 60874^2 .

It is a cyclic number.

It is not a de Polignac number, because 6939272101 - 2⁵ = 6939272069 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 (6939272107) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 7727026 + ... + 7727923.

It is an arithmetic number, because the mean of its divisors is an integer number (1738681875).

Almost surely, 2^6939272101 is an apocalyptic number.

It is an amenable number.

6939272101 is a deficient number, since it is larger than the sum of its proper divisors (15455399).

6939272101 is a wasteful number, since it uses less digits than its factorization.

6939272101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15455398.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 6939272101 is about 83302.2934918361. The cubic root of 6939272101 is about 1907.3832848580.

The spelling of 6939272101 in words is "six billion, nine hundred thirty-nine million, two hundred seventy-two thousand, one hundred one".