6942724408225 has 24 divisors (see below), whose sum is σ = 9120754850400. Its totient is φ = 5224385752320.

The previous prime is 6942724408129. The next prime is 6942724408237. The reversal of 6942724408225 is 5228044272496.

It is a happy number.

It is not a de Polignac number, because 6942724408225 - 2¹³ = 6942724400033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4085407 + ... + 5529556.

It is an arithmetic number, because the mean of its divisors is an integer number (380031452100).

Almost surely, 2^{6942724408225} is an apocalyptic number.

It is an amenable number.

6942724408225 is a deficient number, since it is larger than the sum of its proper divisors (2178030442175).

6942724408225 is a wasteful number, since it uses less digits than its factorization.

6942724408225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9616689 (or 9616684 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 6942724408225 in words is "six trillion, nine hundred forty-two billion, seven hundred twenty-four million, four hundred eight thousand, two hundred twenty-five".