5378621357 has 2 divisors, whose sum is σ = 5378621358. Its totient is φ = 5378621356.

The previous prime is 5378621341. The next prime is 5378621393. The reversal of 5378621357 is 7531268735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5099530921 + 279090436 = 71411^2 + 16706^2 .

It is a cyclic number.

It is not a de Polignac number, because 5378621357 - 2⁴ = 5378621341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5378621257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2689310678 + 2689310679.

It is an arithmetic number, because the mean of its divisors is an integer number (2689310679).

Almost surely, 2^5378621357 is an apocalyptic number.

It is an amenable number.

5378621357 is a deficient number, since it is larger than the sum of its proper divisors (1).

5378621357 is an equidigital number, since it uses as much as digits as its factorization.

5378621357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 47.

The square root of 5378621357 is about 73339.0847843086. The cubic root of 5378621357 is about 1752.0923389342.

The spelling of 5378621357 in words is "five billion, three hundred seventy-eight million, six hundred twenty-one thousand, three hundred fifty-seven".