61423298045 has 16 divisors (see below), whose sum is σ = 73906560000. Its totient is φ = 49006364928.

The previous prime is 61423298029. The next prime is 61423298119. The reversal of 61423298045 is 54089232416.

It is a cyclic number.

It is not a de Polignac number, because 61423298045 - 2⁴ = 61423298029 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61423297987 and 61423298005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4493381 + ... + 4507029.

It is an arithmetic number, because the mean of its divisors is an integer number (4619160000).

Almost surely, 2^61423298045 is an apocalyptic number.

It is an amenable number.

61423298045 is a deficient number, since it is larger than the sum of its proper divisors (12483261955).

61423298045 is a wasteful number, since it uses less digits than its factorization.

61423298045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16012.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 61423298045 in words is "sixty-one billion, four hundred twenty-three million, two hundred ninety-eight thousand, forty-five".