61450242623 has 8 divisors (see below), whose sum is σ = 76613289600. Its totient is φ = 47883305880.

The previous prime is 61450242619. The next prime is 61450242691. The reversal of 61450242623 is 32624205416.

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 61450242623 - 2² = 61450242619 is a prime.

It is a super-2 number, since 2×61450242623² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61450242613) 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, 399027473 + ... + 399027626.

It is an arithmetic number, because the mean of its divisors is an integer number (9576661200).

Almost surely, 2^61450242623 is an apocalyptic number.

61450242623 is a deficient number, since it is larger than the sum of its proper divisors (15163046977).

61450242623 is a wasteful number, since it uses less digits than its factorization.

61450242623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798055117.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 61450242623 in words is "sixty-one billion, four hundred fifty million, two hundred forty-two thousand, six hundred twenty-three".