655233231471 has 32 divisors (see below), whose sum is σ = 1138504808448. Its totient is φ = 325287083520.

The previous prime is 655233231467. The next prime is 655233231481. The reversal of 655233231471 is 174132332556.

It is a happy number.

It is not a de Polignac number, because 655233231471 - 2² = 655233231467 is a prime.

It is a super-3 number, since 3×655233231471³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655233231451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70587175 + ... + 70596456.

It is an arithmetic number, because the mean of its divisors is an integer number (35578275264).

Almost surely, 2^655233231471 is an apocalyptic number.

655233231471 is a deficient number, since it is larger than the sum of its proper divisors (483271576977).

655233231471 is a wasteful number, since it uses less digits than its factorization.

655233231471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141183671.

The product of its digits is 453600, while the sum is 42.

The spelling of 655233231471 in words is "six hundred fifty-five billion, two hundred thirty-three million, two hundred thirty-one thousand, four hundred seventy-one".