61402713413 has 2 divisors, whose sum is σ = 61402713414. Its totient is φ = 61402713412.

The previous prime is 61402713371. The next prime is 61402713419. The reversal of 61402713413 is 31431720416.

61402713413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60153939169 + 1248774244 = 245263^2 + 35338^2 .

It is a cyclic number.

It is not a de Polignac number, because 61402713413 - 2²⁴ = 61385936197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61402713413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61402713419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30701356706 + 30701356707.

It is an arithmetic number, because the mean of its divisors is an integer number (30701356707).

Almost surely, 2^61402713413 is an apocalyptic number.

It is an amenable number.

61402713413 is a deficient number, since it is larger than the sum of its proper divisors (1).

61402713413 is an equidigital number, since it uses as much as digits as its factorization.

61402713413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 61402713413 in words is "sixty-one billion, four hundred two million, seven hundred thirteen thousand, four hundred thirteen".