2523928849 has 4 divisors (see below), whose sum is σ = 2718077236. Its totient is φ = 2329780464.

The previous prime is 2523928843. The next prime is 2523928867. The reversal of 2523928849 is 9488293252.

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 1504276225 + 1019652624 = 38785^2 + 31932^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523928849 - 2²³ = 2515540241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2523928796 and 2523928805.

It is not an unprimeable number, because it can be changed into a prime (2523928843) 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, 97074174 + ... + 97074199.

It is an arithmetic number, because the mean of its divisors is an integer number (679519309).

Almost surely, 2^2523928849 is an apocalyptic number.

It is an amenable number.

2523928849 is a deficient number, since it is larger than the sum of its proper divisors (194148387).

2523928849 is a wasteful number, since it uses less digits than its factorization.

2523928849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194148386.

The product of its digits is 2488320, while the sum is 52.

The square root of 2523928849 is about 50238.7186241847. The cubic root of 2523928849 is about 1361.5252583777.

The spelling of 2523928849 in words is "two billion, five hundred twenty-three million, nine hundred twenty-eight thousand, eight hundred forty-nine".