70424021147 has 2 divisors, whose sum is σ = 70424021148. Its totient is φ = 70424021146.

The previous prime is 70424021137. The next prime is 70424021159. The reversal of 70424021147 is 74112042407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70424021147 - 2²⁸ = 70155585691 is a prime.

It is not a weakly prime, because it can be changed into another prime (70424021137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35212010573 + 35212010574.

It is an arithmetic number, because the mean of its divisors is an integer number (35212010574).

Almost surely, 2^70424021147 is an apocalyptic number.

70424021147 is a deficient number, since it is larger than the sum of its proper divisors (1).

70424021147 is an equidigital number, since it uses as much as digits as its factorization.

70424021147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12544, while the sum is 32.

The spelling of 70424021147 in words is "seventy billion, four hundred twenty-four million, twenty-one thousand, one hundred forty-seven".