61629292651 has 2 divisors, whose sum is σ = 61629292652. Its totient is φ = 61629292650.

The previous prime is 61629292597. The next prime is 61629292657. The reversal of 61629292651 is 15629292616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61629292651 - 2¹¹ = 61629290603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61629292595 and 61629292604.

It is not a weakly prime, because it can be changed into another prime (61629292657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30814646325 + 30814646326.

It is an arithmetic number, because the mean of its divisors is an integer number (30814646326).

Almost surely, 2^61629292651 is an apocalyptic number.

61629292651 is a deficient number, since it is larger than the sum of its proper divisors (1).

61629292651 is an equidigital number, since it uses as much as digits as its factorization.

61629292651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 49.

The spelling of 61629292651 in words is "sixty-one billion, six hundred twenty-nine million, two hundred ninety-two thousand, six hundred fifty-one".