61903433522 has 54 divisors (see below), whose sum is σ = 110894852439. Its totient is φ = 25840745280.

The previous prime is 61903433521. The next prime is 61903433539. The reversal of 61903433522 is 22533430916.

It can be written as a sum of positive squares in 5 ways, for example, as 14592398401 + 47311035121 = 120799^2 + 217511^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=175931.

It is not an unprimeable number, because it can be changed into a prime (61903433521) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 100984088 + ... + 100984700.

Almost surely, 2^61903433522 is an apocalyptic number.

61903433522 is a deficient number, since it is larger than the sum of its proper divisors (48991418917).

61903433522 is an frugal number, since it uses more digits than its factorization.

61903433522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 61903433522 in words is "sixty-one billion, nine hundred three million, four hundred thirty-three thousand, five hundred twenty-two".