61634150363 has 2 divisors, whose sum is σ = 61634150364. Its totient is φ = 61634150362.

The previous prime is 61634150359. The next prime is 61634150377. The reversal of 61634150363 is 36305143616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61634150363 - 2² = 61634150359 is a prime.

It is not a weakly prime, because it can be changed into another prime (61634150563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30817075181 + 30817075182.

It is an arithmetic number, because the mean of its divisors is an integer number (30817075182).

Almost surely, 2^61634150363 is an apocalyptic number.

61634150363 is a deficient number, since it is larger than the sum of its proper divisors (1).

61634150363 is an equidigital number, since it uses as much as digits as its factorization.

61634150363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 38.

Adding to 61634150363 its reverse (36305143616), we get a palindrome (97939293979).

The spelling of 61634150363 in words is "sixty-one billion, six hundred thirty-four million, one hundred fifty thousand, three hundred sixty-three".