2097725438 has 16 divisors (see below), whose sum is σ = 3507034320. Its totient is φ = 935208576.

The previous prime is 2097725437. The next prime is 2097725467. The reversal of 2097725438 is 8345277902.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2097725392 and 2097725401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097725431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1622981 + ... + 1624272.

It is an arithmetic number, because the mean of its divisors is an integer number (219189645).

Almost surely, 2^2097725438 is an apocalyptic number.

2097725438 is a deficient number, since it is larger than the sum of its proper divisors (1409308882).

2097725438 is a wasteful number, since it uses less digits than its factorization.

2097725438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247291.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 2097725438 is about 45800.9327197602. The cubic root of 2097725438 is about 1280.1166556278.

The spelling of 2097725438 in words is "two billion, ninety-seven million, seven hundred twenty-five thousand, four hundred thirty-eight".