870612138223403 has 2 divisors, whose sum is σ = 870612138223404. Its totient is φ = 870612138223402.

The previous prime is 870612138223393. The next prime is 870612138223489. The reversal of 870612138223403 is 304322831216078.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-870612138223403 is a prime.

It is a super-2 number, since 2×870612138223403² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (870612138223703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435306069111701 + 435306069111702.

It is an arithmetic number, because the mean of its divisors is an integer number (435306069111702).

Almost surely, 2^{870612138223403} is an apocalyptic number.

870612138223403 is a deficient number, since it is larger than the sum of its proper divisors (1).

870612138223403 is an equidigital number, since it uses as much as digits as its factorization.

870612138223403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 870612138223403 in words is "eight hundred seventy trillion, six hundred twelve billion, one hundred thirty-eight million, two hundred twenty-three thousand, four hundred three".