103621548977 has 2 divisors, whose sum is σ = 103621548978. Its totient is φ = 103621548976.

The previous prime is 103621548971. The next prime is 103621549001. The reversal of 103621548977 is 779845126301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58003423921 + 45618125056 = 240839^2 + 213584^2 .

It is an emirp because it is prime and its reverse (779845126301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103621548977 - 2¹⁴ = 103621532593 is a prime.

It is a super-3 number, since 3×103621548977³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (103621548971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51810774488 + 51810774489.

It is an arithmetic number, because the mean of its divisors is an integer number (51810774489).

It is a 1-persistent number, because it is pandigital, but 2⋅103621548977 = 207243097954 is not.

Almost surely, 2^103621548977 is an apocalyptic number.

It is an amenable number.

103621548977 is a deficient number, since it is larger than the sum of its proper divisors (1).

103621548977 is an equidigital number, since it uses as much as digits as its factorization.

103621548977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 103621548977 in words is "one hundred three billion, six hundred twenty-one million, five hundred forty-eight thousand, nine hundred seventy-seven".