4619725997 has 4 divisors (see below), whose sum is σ = 4621889916. Its totient is φ = 4617562080.

The previous prime is 4619725939. The next prime is 4619726029. The reversal of 4619725997 is 7995279164.

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 527437156 + 4092288841 = 22966^2 + 63971^2 .

It is a cyclic number.

It is not a de Polignac number, because 4619725997 - 2⁶ = 4619725933 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 (4619725907) 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, 1078754 + ... + 1083027.

It is an arithmetic number, because the mean of its divisors is an integer number (1155472479).

Almost surely, 2^4619725997 is an apocalyptic number.

It is an amenable number.

4619725997 is a deficient number, since it is larger than the sum of its proper divisors (2163919).

4619725997 is a wasteful number, since it uses less digits than its factorization.

4619725997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163918.

The product of its digits is 8573040, while the sum is 59.

The square root of 4619725997 is about 67968.5662420504. The cubic root of 4619725997 is about 1665.4773823146.

The spelling of 4619725997 in words is "four billion, six hundred nineteen million, seven hundred twenty-five thousand, nine hundred ninety-seven".