70238692747 has 2 divisors, whose sum is σ = 70238692748. Its totient is φ = 70238692746.

The previous prime is 70238692721. The next prime is 70238692763. The reversal of 70238692747 is 74729683207.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70238692747 is a prime.

It is not a weakly prime, because it can be changed into another prime (70238692847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35119346373 + 35119346374.

It is an arithmetic number, because the mean of its divisors is an integer number (35119346374).

Almost surely, 2^70238692747 is an apocalyptic number.

70238692747 is a deficient number, since it is larger than the sum of its proper divisors (1).

70238692747 is an equidigital number, since it uses as much as digits as its factorization.

70238692747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 70238692747 in words is "seventy billion, two hundred thirty-eight million, six hundred ninety-two thousand, seven hundred forty-seven".