342475711636721 has 12 divisors (see below), whose sum is σ = 379891516769100. Its totient is φ = 308420903531520.

The previous prime is 342475711636703. The next prime is 342475711636763. The reversal of 342475711636721 is 127636117574243.

It can be written as a sum of positive squares in 6 ways, for example, as 203579704914496 + 138896006722225 = 14268136^2 + 11785415^2 .

It is not a de Polignac number, because 342475711636721 - 2²² = 342475707442417 is a prime.

It is a super-2 number, since 2×342475711636721² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342475711633721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24713206496 + ... + 24713220353.

It is an arithmetic number, because the mean of its divisors is an integer number (31657626397425).

Almost surely, 2^{342475711636721} is an apocalyptic number.

It is an amenable number.

342475711636721 is a deficient number, since it is larger than the sum of its proper divisors (37415805132379).

342475711636721 is a wasteful number, since it uses less digits than its factorization.

342475711636721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49426426916 (or 49426426903 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 59.

The spelling of 342475711636721 in words is "three hundred forty-two trillion, four hundred seventy-five billion, seven hundred eleven million, six hundred thirty-six thousand, seven hundred twenty-one".