234663206505554 has 4 divisors (see below), whose sum is σ = 351994809758334. Its totient is φ = 117331603252776.

The previous prime is 234663206505499. The next prime is 234663206505557. The reversal of 234663206505554 is 455505602366432.

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., 226646250300625 + 8016956204929 = 15054775^2 + 2831423^2 .

It is a super-2 number, since 2×234663206505554² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 234663206505554.

It is not an unprimeable number, because it can be changed into a prime (234663206505557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58665801626387 + ... + 58665801626390.

Almost surely, 2^{234663206505554} is an apocalyptic number.

234663206505554 is a deficient number, since it is larger than the sum of its proper divisors (117331603252780).

234663206505554 is a wasteful number, since it uses less digits than its factorization.

234663206505554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117331603252779.

The product of its (nonzero) digits is 77760000, while the sum is 56.

The spelling of 234663206505554 in words is "two hundred thirty-four trillion, six hundred sixty-three billion, two hundred six million, five hundred five thousand, five hundred fifty-four".