2493766523 has 4 divisors (see below), whose sum is σ = 2494938888. Its totient is φ = 2492594160.

The previous prime is 2493766519. The next prime is 2493766531. The reversal of 2493766523 is 3256673942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3256673942 = 2 ⋅1628336971.

It is a cyclic number.

It is not a de Polignac number, because 2493766523 - 2² = 2493766519 is a prime.

It is a super-3 number, since 3×2493766523³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2493766823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582986 + ... + 587247.

It is an arithmetic number, because the mean of its divisors is an integer number (623734722).

Almost surely, 2^2493766523 is an apocalyptic number.

2493766523 is a deficient number, since it is larger than the sum of its proper divisors (1172365).

2493766523 is a wasteful number, since it uses less digits than its factorization.

2493766523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172364.

The product of its digits is 1632960, while the sum is 47.

The square root of 2493766523 is about 49937.6263252470. The cubic root of 2493766523 is about 1356.0798521485.

The spelling of 2493766523 in words is "two billion, four hundred ninety-three million, seven hundred sixty-six thousand, five hundred twenty-three".