6270742381 has 2 divisors, whose sum is σ = 6270742382. Its totient is φ = 6270742380.

The previous prime is 6270742363. The next prime is 6270742427. The reversal of 6270742381 is 1832470726.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4705274025 + 1565468356 = 68595^2 + 39566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6270742381 is a prime.

It is a super-2 number, since 2×6270742381² = 78644420017739098322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6270742301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3135371190 + 3135371191.

It is an arithmetic number, because the mean of its divisors is an integer number (3135371191).

Almost surely, 2^6270742381 is an apocalyptic number.

It is an amenable number.

6270742381 is a deficient number, since it is larger than the sum of its proper divisors (1).

6270742381 is an equidigital number, since it uses as much as digits as its factorization.

6270742381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 6270742381 is about 79188.0191758829. The cubic root of 6270742381 is about 1844.0512481189.

The spelling of 6270742381 in words is "six billion, two hundred seventy million, seven hundred forty-two thousand, three hundred eighty-one".