61463462651 has 4 divisors (see below), whose sum is σ = 65078960472. Its totient is φ = 57847964832.

The previous prime is 61463462629. The next prime is 61463462681. The reversal of 61463462651 is 15626436416.

61463462651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61463462651 - 2⁶ = 61463462587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61463462681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1807748885 + ... + 1807748918.

It is an arithmetic number, because the mean of its divisors is an integer number (16269740118).

Almost surely, 2^61463462651 is an apocalyptic number.

61463462651 is a deficient number, since it is larger than the sum of its proper divisors (3615497821).

61463462651 is a wasteful number, since it uses less digits than its factorization.

61463462651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3615497820.

The product of its digits is 622080, while the sum is 44.

The spelling of 61463462651 in words is "sixty-one billion, four hundred sixty-three million, four hundred sixty-two thousand, six hundred fifty-one".