26300631971 has 2 divisors, whose sum is σ = 26300631972. Its totient is φ = 26300631970.

The previous prime is 26300631913. The next prime is 26300632009. The reversal of 26300631971 is 17913600362.

It is a happy number.

It is an a-pointer prime, because the next prime (26300632009) can be obtained adding 26300631971 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26300631971 is a prime.

It is not a weakly prime, because it can be changed into another prime (26300631901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13150315985 + 13150315986.

It is an arithmetic number, because the mean of its divisors is an integer number (13150315986).

Almost surely, 2^26300631971 is an apocalyptic number.

26300631971 is a deficient number, since it is larger than the sum of its proper divisors (1).

26300631971 is an equidigital number, since it uses as much as digits as its factorization.

26300631971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The spelling of 26300631971 in words is "twenty-six billion, three hundred million, six hundred thirty-one thousand, nine hundred seventy-one".