61426648327 has 8 divisors (see below), whose sum is σ = 67014133632. Its totient is φ = 55839703800.

The previous prime is 61426648321. The next prime is 61426648333. The reversal of 61426648327 is 72384662416.

It is an interprime number because it is at equal distance from previous prime (61426648321) and next prime (61426648333).

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 61426648327 - 2³ = 61426648319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61426648321) 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, 123918 + ... + 371764.

It is an arithmetic number, because the mean of its divisors is an integer number (8376766704).

Almost surely, 2^61426648327 is an apocalyptic number.

61426648327 is a deficient number, since it is larger than the sum of its proper divisors (5587485305).

61426648327 is a wasteful number, since it uses less digits than its factorization.

61426648327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270389.

The product of its digits is 2322432, while the sum is 49.

The spelling of 61426648327 in words is "sixty-one billion, four hundred twenty-six million, six hundred forty-eight thousand, three hundred twenty-seven".