61942053604 has 12 divisors (see below), whose sum is σ = 114774981804. Its totient is φ = 29149201664.

The previous prime is 61942053601. The next prime is 61942053611. The reversal of 61942053604 is 40635024916.

It can be written as a sum of positive squares in 2 ways, for example, as 49594399204 + 12347654400 = 222698^2 + 111120^2 .

It is not an unprimeable number, because it can be changed into a prime (61942053601) 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 3 ways as a sum of consecutive naturals, for example, 455456209 + ... + 455456344.

It is an arithmetic number, because the mean of its divisors is an integer number (9564581817).

Almost surely, 2^61942053604 is an apocalyptic number.

It is an amenable number.

61942053604 is a deficient number, since it is larger than the sum of its proper divisors (52832928200).

61942053604 is a wasteful number, since it uses less digits than its factorization.

61942053604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910912574 (or 910912572 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 61942053604 in words is "sixty-one billion, nine hundred forty-two million, fifty-three thousand, six hundred four".