61434643001263 has 8 divisors (see below), whose sum is σ = 71535756810528. Its totient is φ = 51664713251424.

The previous prime is 61434643001227. The next prime is 61434643001293. The reversal of 61434643001263 is 36210034643416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61434643001263 - 2¹³ = 61434642993071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61434643001203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82796014456 + ... + 82796015197.

It is an arithmetic number, because the mean of its divisors is an integer number (8941969601316).

Almost surely, 2^{61434643001263} is an apocalyptic number.

61434643001263 is a deficient number, since it is larger than the sum of its proper divisors (10101113809265).

61434643001263 is a wasteful number, since it uses less digits than its factorization.

61434643001263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165592029713.

The product of its (nonzero) digits is 746496, while the sum is 43.

Adding to 61434643001263 its reverse (36210034643416), we get a palindrome (97644677644679).

The spelling of 61434643001263 in words is "sixty-one trillion, four hundred thirty-four billion, six hundred forty-three million, one thousand, two hundred sixty-three".