2103724697 has 4 divisors (see below), whose sum is σ = 2171586816. Its totient is φ = 2035862580.

The previous prime is 2103724673. The next prime is 2103724703. The reversal of 2103724697 is 7964273012.

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 2103724697 - 2¹⁰ = 2103723673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103724627) 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, 33931013 + ... + 33931074.

It is an arithmetic number, because the mean of its divisors is an integer number (542896704).

Almost surely, 2^2103724697 is an apocalyptic number.

It is an amenable number.

2103724697 is a deficient number, since it is larger than the sum of its proper divisors (67862119).

2103724697 is an equidigital number, since it uses as much as digits as its factorization.

2103724697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67862118.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 2103724697 is about 45866.3787212376. The cubic root of 2103724697 is about 1281.3358240602.

The spelling of 2103724697 in words is "two billion, one hundred three million, seven hundred twenty-four thousand, six hundred ninety-seven".