845545763393 has 8 divisors (see below), whose sum is σ = 847040844000. Its totient is φ = 844051900608.

The previous prime is 845545763383. The next prime is 845545763429. The reversal of 845545763393 is 393367545548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 845545763393 - 2²⁶ = 845478654529 is a prime.

It is a super-2 number, since 2×845545763393² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845545763333) 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 7 ways as a sum of consecutive naturals, for example, 1091033 + ... + 1697481.

It is an arithmetic number, because the mean of its divisors is an integer number (105880105500).

Almost surely, 2^845545763393 is an apocalyptic number.

It is an amenable number.

845545763393 is a deficient number, since it is larger than the sum of its proper divisors (1495080607).

845545763393 is a wasteful number, since it uses less digits than its factorization.

845545763393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608911.

The product of its digits is 163296000, while the sum is 62.

The spelling of 845545763393 in words is "eight hundred forty-five billion, five hundred forty-five million, seven hundred sixty-three thousand, three hundred ninety-three".