70426640649007 has 2 divisors, whose sum is σ = 70426640649008. Its totient is φ = 70426640649006.

The previous prime is 70426640648999. The next prime is 70426640649059. The reversal of 70426640649007 is 70094604662407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70426640649007 - 2³ = 70426640648999 is a prime.

It is a super-2 number, since 2×70426640649007² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70426640649307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35213320324503 + 35213320324504.

It is an arithmetic number, because the mean of its divisors is an integer number (35213320324504).

Almost surely, 2^{70426640649007} is an apocalyptic number.

70426640649007 is a deficient number, since it is larger than the sum of its proper divisors (1).

70426640649007 is an equidigital number, since it uses as much as digits as its factorization.

70426640649007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 70426640649007 in words is "seventy trillion, four hundred twenty-six billion, six hundred forty million, six hundred forty-nine thousand, seven".