920742993302399 has 4 divisors (see below), whose sum is σ = 921001847113464. Its totient is φ = 920484139491336.

The previous prime is 920742993302381. The next prime is 920742993302401. The reversal of 920742993302399 is 993203399247029.

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 920742993302399 - 2³² = 920738698335103 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 (920742993362399) 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, 129426900197 + ... + 129426907310.

It is an arithmetic number, because the mean of its divisors is an integer number (230250461778366).

Almost surely, 2^{920742993302399} is an apocalyptic number.

920742993302399 is a deficient number, since it is larger than the sum of its proper divisors (258853811065).

920742993302399 is a wasteful number, since it uses less digits than its factorization.

920742993302399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258853811064.

The product of its (nonzero) digits is 357128352, while the sum is 71.

The spelling of 920742993302399 in words is "nine hundred twenty trillion, seven hundred forty-two billion, nine hundred ninety-three million, three hundred two thousand, three hundred ninety-nine".