807281374969 has 2 divisors, whose sum is σ = 807281374970. Its totient is φ = 807281374968.

The previous prime is 807281374859. The next prime is 807281374973. The reversal of 807281374969 is 969473182708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 507292940025 + 299988434944 = 712245^2 + 547712^2 .

It is a cyclic number.

It is not a de Polignac number, because 807281374969 - 2²³ = 807272986361 is a prime.

It is a super-2 number, since 2×807281374969² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 807281374969.

It is not a weakly prime, because it can be changed into another prime (807281374979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403640687484 + 403640687485.

It is an arithmetic number, because the mean of its divisors is an integer number (403640687485).

Almost surely, 2^807281374969 is an apocalyptic number.

It is an amenable number.

807281374969 is a deficient number, since it is larger than the sum of its proper divisors (1).

807281374969 is an equidigital number, since it uses as much as digits as its factorization.

807281374969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36578304, while the sum is 64.

The spelling of 807281374969 in words is "eight hundred seven billion, two hundred eighty-one million, three hundred seventy-four thousand, nine hundred sixty-nine".