61342512067 has 2 divisors, whose sum is σ = 61342512068. Its totient is φ = 61342512066.

The previous prime is 61342511983. The next prime is 61342512109. The reversal of 61342512067 is 76021524316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61342512067 - 2¹⁹ = 61341987779 is a prime.

It is a super-2 number, since 2×61342512067² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61342512367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30671256033 + 30671256034.

It is an arithmetic number, because the mean of its divisors is an integer number (30671256034).

Almost surely, 2^61342512067 is an apocalyptic number.

61342512067 is a deficient number, since it is larger than the sum of its proper divisors (1).

61342512067 is an equidigital number, since it uses as much as digits as its factorization.

61342512067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 61342512067 in words is "sixty-one billion, three hundred forty-two million, five hundred twelve thousand, sixty-seven".