61046083409 has 2 divisors, whose sum is σ = 61046083410. Its totient is φ = 61046083408.

The previous prime is 61046083381. The next prime is 61046083429. The reversal of 61046083409 is 90438064016.

61046083409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60496321600 + 549761809 = 245960^2 + 23447^2 .

It is a cyclic number.

It is not a de Polignac number, because 61046083409 - 2¹² = 61046079313 is a prime.

It is a super-2 number, since 2×61046083409² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61046083429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30523041704 + 30523041705.

It is an arithmetic number, because the mean of its divisors is an integer number (30523041705).

Almost surely, 2^61046083409 is an apocalyptic number.

It is an amenable number.

61046083409 is a deficient number, since it is larger than the sum of its proper divisors (1).

61046083409 is an equidigital number, since it uses as much as digits as its factorization.

61046083409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 61046083409 in words is "sixty-one billion, forty-six million, eighty-three thousand, four hundred nine".