61264413250463 has 4 divisors (see below), whose sum is σ = 61279856766720. Its totient is φ = 61248969734208.

The previous prime is 61264413250457. The next prime is 61264413250477. The reversal of 61264413250463 is 36405231446216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61264413250463 - 2⁶ = 61264413250399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61264413240463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7721752178 + ... + 7721760111.

It is an arithmetic number, because the mean of its divisors is an integer number (15319964191680).

Almost surely, 2^{61264413250463} is an apocalyptic number.

61264413250463 is a deficient number, since it is larger than the sum of its proper divisors (15443516257).

61264413250463 is a wasteful number, since it uses less digits than its factorization.

61264413250463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15443516256.

The product of its (nonzero) digits is 2488320, while the sum is 47.

Adding to 61264413250463 its reverse (36405231446216), we get a palindrome (97669644696679).

The spelling of 61264413250463 in words is "sixty-one trillion, two hundred sixty-four billion, four hundred thirteen million, two hundred fifty thousand, four hundred sixty-three".