101473779461 has 2 divisors, whose sum is σ = 101473779462. Its totient is φ = 101473779460.

The previous prime is 101473779391. The next prime is 101473779521. The reversal of 101473779461 is 164977374101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64665438436 + 36808341025 = 254294^2 + 191855^2 .

It is a cyclic number.

It is not a de Polignac number, because 101473779461 - 2²⁶ = 101406670597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101473779361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50736889730 + 50736889731.

It is an arithmetic number, because the mean of its divisors is an integer number (50736889731).

Almost surely, 2^101473779461 is an apocalyptic number.

It is an amenable number.

101473779461 is a deficient number, since it is larger than the sum of its proper divisors (1).

101473779461 is an equidigital number, since it uses as much as digits as its factorization.

101473779461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 889056, while the sum is 50.

The spelling of 101473779461 in words is "one hundred one billion, four hundred seventy-three million, seven hundred seventy-nine thousand, four hundred sixty-one".