38780650453 has 2 divisors, whose sum is σ = 38780650454. Its totient is φ = 38780650452.

The previous prime is 38780650421. The next prime is 38780650457. The reversal of 38780650453 is 35405608783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25679101009 + 13101549444 = 160247^2 + 114462^2 .

It is an emirp because it is prime and its reverse (35405608783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38780650453 - 2⁵ = 38780650421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38780650397 and 38780650406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38780650457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19390325226 + 19390325227.

It is an arithmetic number, because the mean of its divisors is an integer number (19390325227).

Almost surely, 2^38780650453 is an apocalyptic number.

It is an amenable number.

38780650453 is a deficient number, since it is larger than the sum of its proper divisors (1).

38780650453 is an equidigital number, since it uses as much as digits as its factorization.

38780650453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 38780650453 in words is "thirty-eight billion, seven hundred eighty million, six hundred fifty thousand, four hundred fifty-three".