61265433735739 has 2 divisors, whose sum is σ = 61265433735740. Its totient is φ = 61265433735738.

The previous prime is 61265433735719. The next prime is 61265433735749. The reversal of 61265433735739 is 93753733456216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61265433735739 - 2¹⁵ = 61265433702971 is a prime.

It is a super-2 number, since 2×61265433735739² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61265433735719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30632716867869 + 30632716867870.

It is an arithmetic number, because the mean of its divisors is an integer number (30632716867870).

Almost surely, 2^{61265433735739} is an apocalyptic number.

61265433735739 is a deficient number, since it is larger than the sum of its proper divisors (1).

61265433735739 is an equidigital number, since it uses as much as digits as its factorization.

61265433735739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 257191200, while the sum is 64.

The spelling of 61265433735739 in words is "sixty-one trillion, two hundred sixty-five billion, four hundred thirty-three million, seven hundred thirty-five thousand, seven hundred thirty-nine".