61402246707213 has 6 divisors (see below), whose sum is σ = 88692134132654. Its totient is φ = 40934831138136.

The previous prime is 61402246707173. The next prime is 61402246707247. The reversal of 61402246707213 is 31270764220416.

61402246707213 is a `hidden beast` number, since 6 + 1 + 402 + 24 + 6 + 7 + 0 + 7 + 213 = 666.

61402246707213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 58394096409609 + 3008150297604 = 7641603^2 + 1734402^2 .

It is not a de Polignac number, because 61402246707213 - 2¹³ = 61402246699021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61402246707013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3411235928170 + ... + 3411235928187.

Almost surely, 2^{61402246707213} is an apocalyptic number.

It is an amenable number.

61402246707213 is a deficient number, since it is larger than the sum of its proper divisors (27289887425441).

61402246707213 is a wasteful number, since it uses less digits than its factorization.

61402246707213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6822471856363 (or 6822471856360 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 61402246707213 in words is "sixty-one trillion, four hundred two billion, two hundred forty-six million, seven hundred seven thousand, two hundred thirteen".