120610657462649 has 2 divisors, whose sum is σ = 120610657462650. Its totient is φ = 120610657462648.

The previous prime is 120610657462621. The next prime is 120610657462663. The reversal of 120610657462649 is 946264756016021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64184644987024 + 56426012475625 = 8011532^2 + 7511725^2 .

It is a cyclic number.

It is not a de Polignac number, because 120610657462649 - 2²⁴ = 120610640685433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (120610657462549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60305328731324 + 60305328731325.

It is an arithmetic number, because the mean of its divisors is an integer number (60305328731325).

Almost surely, 2^{120610657462649} is an apocalyptic number.

It is an amenable number.

120610657462649 is a deficient number, since it is larger than the sum of its proper divisors (1).

120610657462649 is an equidigital number, since it uses as much as digits as its factorization.

120610657462649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 120610657462649 in words is "one hundred twenty trillion, six hundred ten billion, six hundred fifty-seven million, four hundred sixty-two thousand, six hundred forty-nine".