61290342973 has 8 divisors (see below), whose sum is σ = 61530842880. Its totient is φ = 61050312960.

The previous prime is 61290342943. The next prime is 61290343003. The reversal of 61290342973 is 37924309216.

It is an interprime number because it is at equal distance from previous prime (61290342943) and next prime (61290343003).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61290342973 is a prime.

It is a super-3 number, since 3×61290342973³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61290342923) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 145053 + ... + 378973.

It is an arithmetic number, because the mean of its divisors is an integer number (7691355360).

Almost surely, 2^61290342973 is an apocalyptic number.

It is an amenable number.

61290342973 is a deficient number, since it is larger than the sum of its proper divisors (240499907).

61290342973 is a wasteful number, since it uses less digits than its factorization.

61290342973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234947.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 61290342973 in words is "sixty-one billion, two hundred ninety million, three hundred forty-two thousand, nine hundred seventy-three".