101532685649 has 2 divisors, whose sum is σ = 101532685650. Its totient is φ = 101532685648.

The previous prime is 101532685633. The next prime is 101532685663. The reversal of 101532685649 is 946586235101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87482850625 + 14049835024 = 295775^2 + 118532^2 .

It is a cyclic number.

It is not a de Polignac number, because 101532685649 - 2⁴ = 101532685633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101532685597 and 101532685606.

It is not a weakly prime, because it can be changed into another prime (101532685619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50766342824 + 50766342825.

It is an arithmetic number, because the mean of its divisors is an integer number (50766342825).

Almost surely, 2^101532685649 is an apocalyptic number.

It is an amenable number.

101532685649 is a deficient number, since it is larger than the sum of its proper divisors (1).

101532685649 is an equidigital number, since it uses as much as digits as its factorization.

101532685649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 101532685649 in words is "one hundred one billion, five hundred thirty-two million, six hundred eighty-five thousand, six hundred forty-nine".