61648376433 has 16 divisors (see below), whose sum is σ = 94037560320. Its totient is φ = 35191202256.

The previous prime is 61648376431. The next prime is 61648376441. The reversal of 61648376433 is 33467384616.

61648376433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61648376433 - 2¹ = 61648376431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61648376431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1497603 + ... + 1538216.

It is an arithmetic number, because the mean of its divisors is an integer number (5877347520).

Almost surely, 2^61648376433 is an apocalyptic number.

It is an amenable number.

61648376433 is a deficient number, since it is larger than the sum of its proper divisors (32389183887).

61648376433 is a wasteful number, since it uses less digits than its factorization.

61648376433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036796.

The product of its digits is 5225472, while the sum is 51.

The spelling of 61648376433 in words is "sixty-one billion, six hundred forty-eight million, three hundred seventy-six thousand, four hundred thirty-three".