6947222540725 has 6 divisors (see below), whose sum is σ = 8614555950530. Its totient is φ = 5557778032560.

The previous prime is 6947222540717. The next prime is 6947222540759. The reversal of 6947222540725 is 5270452227496.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 456620493169 + 6490602047556 = 675737^2 + 2547666^2 .

It is not a de Polignac number, because 6947222540725 - 2³ = 6947222540717 is a prime.

It is a super-3 number, since 3×6947222540725³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138944450790 + ... + 138944450839.

Almost surely, 2^{6947222540725} is an apocalyptic number.

It is an amenable number.

6947222540725 is a deficient number, since it is larger than the sum of its proper divisors (1667333409805).

6947222540725 is a wasteful number, since it uses less digits than its factorization.

6947222540725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277888901639 (or 277888901634 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 55.

The spelling of 6947222540725 in words is "six trillion, nine hundred forty-seven billion, two hundred twenty-two million, five hundred forty thousand, seven hundred twenty-five".