61747022153 has 2 divisors, whose sum is σ = 61747022154. Its totient is φ = 61747022152.

The previous prime is 61747022147. The next prime is 61747022173. The reversal of 61747022153 is 35122074716.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54143705344 + 7603316809 = 232688^2 + 87197^2 .

It is a cyclic number.

It is not a de Polignac number, because 61747022153 - 2¹⁶ = 61746956617 is a prime.

It is not a weakly prime, because it can be changed into another prime (61747022173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30873511076 + 30873511077.

It is an arithmetic number, because the mean of its divisors is an integer number (30873511077).

Almost surely, 2^61747022153 is an apocalyptic number.

It is an amenable number.

61747022153 is a deficient number, since it is larger than the sum of its proper divisors (1).

61747022153 is an equidigital number, since it uses as much as digits as its factorization.

61747022153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

Adding to 61747022153 its reverse (35122074716), we get a palindrome (96869096869).

The spelling of 61747022153 in words is "sixty-one billion, seven hundred forty-seven million, twenty-two thousand, one hundred fifty-three".