61935845507 has 2 divisors, whose sum is σ = 61935845508. Its totient is φ = 61935845506.

The previous prime is 61935845501. The next prime is 61935845549. The reversal of 61935845507 is 70554853916.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61935845507 - 2⁶ = 61935845443 is a prime.

It is not a weakly prime, because it can be changed into another prime (61935845501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30967922753 + 30967922754.

It is an arithmetic number, because the mean of its divisors is an integer number (30967922754).

Almost surely, 2^61935845507 is an apocalyptic number.

61935845507 is a deficient number, since it is larger than the sum of its proper divisors (1).

61935845507 is an equidigital number, since it uses as much as digits as its factorization.

61935845507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 61935845507 in words is "sixty-one billion, nine hundred thirty-five million, eight hundred forty-five thousand, five hundred seven".