61050604477 has 2 divisors, whose sum is σ = 61050604478. Its totient is φ = 61050604476.

The previous prime is 61050604463. The next prime is 61050604487. The reversal of 61050604477 is 77440605016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34782623001 + 26267981476 = 186501^2 + 162074^2 .

It is a cyclic number.

It is not a de Polignac number, because 61050604477 - 2¹¹ = 61050602429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61050604427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30525302238 + 30525302239.

It is an arithmetic number, because the mean of its divisors is an integer number (30525302239).

Almost surely, 2^61050604477 is an apocalyptic number.

It is an amenable number.

61050604477 is a deficient number, since it is larger than the sum of its proper divisors (1).

61050604477 is an equidigital number, since it uses as much as digits as its factorization.

61050604477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 61050604477 in words is "sixty-one billion, fifty million, six hundred four thousand, four hundred seventy-seven".