61463456403 has 8 divisors (see below), whose sum is σ = 81952432128. Its totient is φ = 40975059144.

The previous prime is 61463456387. The next prime is 61463456419. The reversal of 61463456403 is 30465436416.

It is an interprime number because it is at equal distance from previous prime (61463456387) and next prime (61463456419).

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

It is not a de Polignac number, because 61463456403 - 2⁴ = 61463456387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61463456443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289326 + ... + 454572.

It is an arithmetic number, because the mean of its divisors is an integer number (10244054016).

Almost surely, 2^61463456403 is an apocalyptic number.

61463456403 is a deficient number, since it is larger than the sum of its proper divisors (20488975725).

61463456403 is a wasteful number, since it uses less digits than its factorization.

61463456403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289233.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 61463456403 in words is "sixty-one billion, four hundred sixty-three million, four hundred fifty-six thousand, four hundred three".