61472684057 has 2 divisors, whose sum is σ = 61472684058. Its totient is φ = 61472684056.

The previous prime is 61472684033. The next prime is 61472684081. The reversal of 61472684057 is 75048627416.

It is a balanced prime because it is at equal distance from previous prime (61472684033) and next prime (61472684081).

It can be written as a sum of positive squares in only one way, i.e., 61016904256 + 455779801 = 247016^2 + 21349^2 .

It is a cyclic number.

It is not a de Polignac number, because 61472684057 - 2¹⁰ = 61472683033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61472683996 and 61472684014.

It is not a weakly prime, because it can be changed into another prime (61472684957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30736342028 + 30736342029.

It is an arithmetic number, because the mean of its divisors is an integer number (30736342029).

Almost surely, 2^61472684057 is an apocalyptic number.

It is an amenable number.

61472684057 is a deficient number, since it is larger than the sum of its proper divisors (1).

61472684057 is an equidigital number, since it uses as much as digits as its factorization.

61472684057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 61472684057 in words is "sixty-one billion, four hundred seventy-two million, six hundred eighty-four thousand, fifty-seven".