342471914521 has 9 divisors (see below), whose sum is σ = 376443147199. Its totient is φ = 311332252000.

The previous prime is 342471914483. The next prime is 342471914537. The reversal of 342471914521 is 125419174243.

The square root of 342471914521 is 585211.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 269009232921 + 73462681600 = 518661^2 + 271040^2 .

It is not a de Polignac number, because 342471914521 - 2⁹ = 342471914009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342471914621) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6410721 + ... + 6463921.

Almost surely, 2^342471914521 is an apocalyptic number.

342471914521 is the 585211-st square number.

342471914521 is the 292606-th centered octagonal number.

It is an amenable number.

342471914521 is a deficient number, since it is larger than the sum of its proper divisors (33971232678).

342471914521 is an frugal number, since it uses more digits than its factorization.

342471914521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106424 (or 53212 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The spelling of 342471914521 in words is "three hundred forty-two billion, four hundred seventy-one million, nine hundred fourteen thousand, five hundred twenty-one".