802993373347397 has 4 divisors (see below), whose sum is σ = 806499894628620. Its totient is φ = 799486852066176.

The previous prime is 802993373347357. The next prime is 802993373347411. The reversal of 802993373347397 is 793743373399208.

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 446265878500036 + 356727494847361 = 21125006^2 + 18887231^2 .

It is a cyclic number.

It is not a de Polignac number, because 802993373347397 - 2²⁸ = 802993104911941 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 (802993373347357) 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, 1753260640268 + ... + 1753260640725.

It is an arithmetic number, because the mean of its divisors is an integer number (201624973657155).

Almost surely, 2^{802993373347397} is an apocalyptic number.

It is an amenable number.

802993373347397 is a deficient number, since it is larger than the sum of its proper divisors (3506521281223).

802993373347397 is a wasteful number, since it uses less digits than its factorization.

802993373347397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506521281222.

The product of its (nonzero) digits is 3888730944, while the sum is 77.

The spelling of 802993373347397 in words is "eight hundred two trillion, nine hundred ninety-three billion, three hundred seventy-three million, three hundred forty-seven thousand, three hundred ninety-seven".