61667283473 has 2 divisors, whose sum is σ = 61667283474. Its totient is φ = 61667283472.

The previous prime is 61667283427. The next prime is 61667283499. The reversal of 61667283473 is 37438276616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59705945104 + 1961338369 = 244348^2 + 44287^2 .

It is a cyclic number.

It is not a de Polignac number, because 61667283473 - 2¹⁴ = 61667267089 is a prime.

It is not a weakly prime, because it can be changed into another prime (61667282473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30833641736 + 30833641737.

It is an arithmetic number, because the mean of its divisors is an integer number (30833641737).

Almost surely, 2^61667283473 is an apocalyptic number.

It is an amenable number.

61667283473 is a deficient number, since it is larger than the sum of its proper divisors (1).

61667283473 is an equidigital number, since it uses as much as digits as its factorization.

61667283473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 53.

The spelling of 61667283473 in words is "sixty-one billion, six hundred sixty-seven million, two hundred eighty-three thousand, four hundred seventy-three".