61463264373289 has 2 divisors, whose sum is σ = 61463264373290. Its totient is φ = 61463264373288.

The previous prime is 61463264373281. The next prime is 61463264373361. The reversal of 61463264373289 is 98237346236416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36012097016064 + 25451167357225 = 6001008^2 + 5044915^2 .

It is a cyclic number.

It is not a de Polignac number, because 61463264373289 - 2³ = 61463264373281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61463264373289.

It is not a weakly prime, because it can be changed into another prime (61463264373281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30731632186644 + 30731632186645.

It is an arithmetic number, because the mean of its divisors is an integer number (30731632186645).

Almost surely, 2^{61463264373289} is an apocalyptic number.

It is an amenable number.

61463264373289 is a deficient number, since it is larger than the sum of its proper divisors (1).

61463264373289 is an equidigital number, since it uses as much as digits as its factorization.

61463264373289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188116992, while the sum is 64.

The spelling of 61463264373289 in words is "sixty-one trillion, four hundred sixty-three billion, two hundred sixty-four million, three hundred seventy-three thousand, two hundred eighty-nine".