655803975491362 has 4 divisors (see below), whose sum is σ = 983705963237046. Its totient is φ = 327901987745680.

The previous prime is 655803975491359. The next prime is 655803975491383. The reversal of 655803975491362 is 263194579308556.

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

It can be written as a sum of positive squares in only one way, i.e., 541758257041401 + 114045718449961 = 23275701^2 + 10679219^2 .

It is a super-3 number, since 3×655803975491362³ (a number of 45 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163950993872839 + ... + 163950993872842.

It is a 2-persistent number, because it is pandigital, and so is 2⋅655803975491362 = 1311607950982724, but 3⋅655803975491362 = 1967411926474086 is not.

Almost surely, 2^{655803975491362} is an apocalyptic number.

655803975491362 is a deficient number, since it is larger than the sum of its proper divisors (327901987745684).

655803975491362 is a wasteful number, since it uses less digits than its factorization.

655803975491362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327901987745683.

The product of its (nonzero) digits is 1469664000, while the sum is 73.

The spelling of 655803975491362 in words is "six hundred fifty-five trillion, eight hundred three billion, nine hundred seventy-five million, four hundred ninety-one thousand, three hundred sixty-two".