62651878901 has 2 divisors, whose sum is σ = 62651878902. Its totient is φ = 62651878900.

The previous prime is 62651878787. The next prime is 62651878921. The reversal of 62651878901 is 10987815626.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51154678276 + 11497200625 = 226174^2 + 107225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-62651878901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62651878921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31325939450 + 31325939451.

It is an arithmetic number, because the mean of its divisors is an integer number (31325939451).

Almost surely, 2^62651878901 is an apocalyptic number.

It is an amenable number.

62651878901 is a deficient number, since it is larger than the sum of its proper divisors (1).

62651878901 is an equidigital number, since it uses as much as digits as its factorization.

62651878901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 62651878901 in words is "sixty-two billion, six hundred fifty-one million, eight hundred seventy-eight thousand, nine hundred one".