61949676569305 has 8 divisors (see below), whose sum is σ = 84959556437952. Its totient is φ = 42479778218928.

The previous prime is 61949676569267. The next prime is 61949676569309. The reversal of 61949676569305 is 50396567694916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61949676569305 - 2¹⁵ = 61949676536537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61949676569309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884995379527 + ... + 884995379596.

It is an arithmetic number, because the mean of its divisors is an integer number (10619944554744).

Almost surely, 2^{61949676569305} is an apocalyptic number.

It is an amenable number.

61949676569305 is a deficient number, since it is larger than the sum of its proper divisors (23009879868647).

61949676569305 is a wasteful number, since it uses less digits than its factorization.

61949676569305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769990759135.

The product of its (nonzero) digits is 1984046400, while the sum is 76.

The spelling of 61949676569305 in words is "sixty-one trillion, nine hundred forty-nine billion, six hundred seventy-six million, five hundred sixty-nine thousand, three hundred five".