61460144929 has 4 divisors (see below), whose sum is σ = 61542864576. Its totient is φ = 61377425284.

The previous prime is 61460144917. The next prime is 61460144953. The reversal of 61460144929 is 92944106416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61460144929 - 2³¹ = 59312661281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61460144129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41358709 + ... + 41360194.

It is an arithmetic number, because the mean of its divisors is an integer number (15385716144).

Almost surely, 2^61460144929 is an apocalyptic number.

It is an amenable number.

61460144929 is a deficient number, since it is larger than the sum of its proper divisors (82719647).

61460144929 is an equidigital number, since it uses as much as digits as its factorization.

61460144929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82719646.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 61460144929 in words is "sixty-one billion, four hundred sixty million, one hundred forty-four thousand, nine hundred twenty-nine".