61967540294 has 8 divisors (see below), whose sum is σ = 101401429608. Its totient is φ = 28167063760.

The previous prime is 61967540249. The next prime is 61967540333. The reversal of 61967540294 is 49204576916.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1408353167 + ... + 1408353210.

It is an arithmetic number, because the mean of its divisors is an integer number (12675178701).

Almost surely, 2^61967540294 is an apocalyptic number.

61967540294 is a deficient number, since it is larger than the sum of its proper divisors (39433889314).

61967540294 is a wasteful number, since it uses less digits than its factorization.

61967540294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816706390.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 61967540294 in words is "sixty-one billion, nine hundred sixty-seven million, five hundred forty thousand, two hundred ninety-four".