4523721697 has 4 divisors (see below), whose sum is σ = 4934969136. Its totient is φ = 4112474260.

The previous prime is 4523721649. The next prime is 4523721703. The reversal of 4523721697 is 7961273254.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4523721697 - 2⁷ = 4523721569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4523724697) 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, 205623703 + ... + 205623724.

It is an arithmetic number, because the mean of its divisors is an integer number (1233742284).

Almost surely, 2^4523721697 is an apocalyptic number.

It is an amenable number.

4523721697 is a deficient number, since it is larger than the sum of its proper divisors (411247439).

4523721697 is a wasteful number, since it uses less digits than its factorization.

4523721697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411247438.

The product of its digits is 635040, while the sum is 46.

The square root of 4523721697 is about 67258.6180128614. The cubic root of 4523721697 is about 1653.8595535412.

The spelling of 4523721697 in words is "four billion, five hundred twenty-three million, seven hundred twenty-one thousand, six hundred ninety-seven".