61264503354533 has 2 divisors, whose sum is σ = 61264503354534. Its totient is φ = 61264503354532.

The previous prime is 61264503354503. The next prime is 61264503354599. The reversal of 61264503354533 is 33545330546216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57941965489444 + 3322537865089 = 7611962^2 + 1822783^2 .

It is a cyclic number.

It is not a de Polignac number, because 61264503354533 - 2⁸ = 61264503354277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61264503354503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30632251677266 + 30632251677267.

It is an arithmetic number, because the mean of its divisors is an integer number (30632251677267).

Almost surely, 2^{61264503354533} is an apocalyptic number.

It is an amenable number.

61264503354533 is a deficient number, since it is larger than the sum of its proper divisors (1).

61264503354533 is an equidigital number, since it uses as much as digits as its factorization.

61264503354533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664000, while the sum is 50.

The spelling of 61264503354533 in words is "sixty-one trillion, two hundred sixty-four billion, five hundred three million, three hundred fifty-four thousand, five hundred thirty-three".