61460443402603 has 4 divisors (see below), whose sum is σ = 70240506745840. Its totient is φ = 52680380059368.

The previous prime is 61460443402549. The next prime is 61460443402661. The reversal of 61460443402603 is 30620434406416.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61460443402603 is a prime.

It is a super-2 number, since 2×61460443402603² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61460443402603.

It is not an unprimeable number, because it can be changed into a prime (61460443402403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4390031671608 + ... + 4390031671621.

It is an arithmetic number, because the mean of its divisors is an integer number (17560126686460).

Almost surely, 2^{61460443402603} is an apocalyptic number.

61460443402603 is a deficient number, since it is larger than the sum of its proper divisors (8780063343237).

61460443402603 is an equidigital number, since it uses as much as digits as its factorization.

61460443402603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8780063343236.

The product of its (nonzero) digits is 995328, while the sum is 43.

The spelling of 61460443402603 in words is "sixty-one trillion, four hundred sixty billion, four hundred forty-three million, four hundred two thousand, six hundred three".