61532407418269 has 2 divisors, whose sum is σ = 61532407418270. Its totient is φ = 61532407418268.

The previous prime is 61532407418263. The next prime is 61532407418291. The reversal of 61532407418269 is 96281470423516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46617077628900 + 14915329789369 = 6827670^2 + 3862037^2 .

It is a cyclic number.

It is not a de Polignac number, because 61532407418269 - 2²¹ = 61532405321117 is a prime.

It is a super-2 number, since 2×61532407418269² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61532407418263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30766203709134 + 30766203709135.

It is an arithmetic number, because the mean of its divisors is an integer number (30766203709135).

It is a 1-persistent number, because it is pandigital, but 2⋅61532407418269 = 123064814836538 is not.

Almost surely, 2^{61532407418269} is an apocalyptic number.

It is an amenable number.

61532407418269 is a deficient number, since it is larger than the sum of its proper divisors (1).

61532407418269 is an equidigital number, since it uses as much as digits as its factorization.

61532407418269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 61532407418269 in words is "sixty-one trillion, five hundred thirty-two billion, four hundred seven million, four hundred eighteen thousand, two hundred sixty-nine".