742808610823 has 4 divisors (see below), whose sum is σ = 742865749768. Its totient is φ = 742751471880.

The previous prime is 742808610767. The next prime is 742808610833. The reversal of 742808610823 is 328016808247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 742808610823 - 2⁹ = 742808610311 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 (742808610833) 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, 28549968 + ... + 28575973.

It is an arithmetic number, because the mean of its divisors is an integer number (185716437442).

Almost surely, 2^742808610823 is an apocalyptic number.

742808610823 is a deficient number, since it is larger than the sum of its proper divisors (57138945).

742808610823 is a wasteful number, since it uses less digits than its factorization.

742808610823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57138944.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 742808610823 in words is "seven hundred forty-two billion, eight hundred eight million, six hundred ten thousand, eight hundred twenty-three".