61009628941 has 2 divisors, whose sum is σ = 61009628942. Its totient is φ = 61009628940.

The previous prime is 61009628923. The next prime is 61009628969. The reversal of 61009628941 is 14982690016.

It is a happy number.

61009628941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56060506441 + 4949122500 = 236771^2 + 70350^2 .

It is a cyclic number.

It is not a de Polignac number, because 61009628941 - 2⁹ = 61009628429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61009628891 and 61009628900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61009628921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30504814470 + 30504814471.

It is an arithmetic number, because the mean of its divisors is an integer number (30504814471).

Almost surely, 2^61009628941 is an apocalyptic number.

It is an amenable number.

61009628941 is a deficient number, since it is larger than the sum of its proper divisors (1).

61009628941 is an equidigital number, since it uses as much as digits as its factorization.

61009628941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 61009628941 in words is "sixty-one billion, nine million, six hundred twenty-eight thousand, nine hundred forty-one".