61532746948 has 24 divisors (see below), whose sum is σ = 107949969792. Its totient is φ = 30689982624.

The previous prime is 61532746943. The next prime is 61532746973. The reversal of 61532746948 is 84964723516.

It is not an unprimeable number, because it can be changed into a prime (61532746943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3214261 + ... + 3233347.

It is an arithmetic number, because the mean of its divisors is an integer number (4497915408).

Almost surely, 2^61532746948 is an apocalyptic number.

It is an amenable number.

61532746948 is a deficient number, since it is larger than the sum of its proper divisors (46417222844).

61532746948 is a wasteful number, since it uses less digits than its factorization.

61532746948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21051 (or 21049 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 55.

The spelling of 61532746948 in words is "sixty-one billion, five hundred thirty-two million, seven hundred forty-six thousand, nine hundred forty-eight".