90967265869 has 2 divisors, whose sum is σ = 90967265870. Its totient is φ = 90967265868.

The previous prime is 90967265867. The next prime is 90967265927. The reversal of 90967265869 is 96856276909.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88547904900 + 2419360969 = 297570^2 + 49187^2 .

It is a cyclic number.

It is not a de Polignac number, because 90967265869 - 2¹ = 90967265867 is a prime.

It is a super-2 number, since 2×90967265869² (a number of 23 digits) contains 22 as substring.

Together with 90967265867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90967265867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45483632934 + 45483632935.

It is an arithmetic number, because the mean of its divisors is an integer number (45483632935).

Almost surely, 2^90967265869 is an apocalyptic number.

It is an amenable number.

90967265869 is a deficient number, since it is larger than the sum of its proper divisors (1).

90967265869 is an equidigital number, since it uses as much as digits as its factorization.

90967265869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88179840, while the sum is 67.

The spelling of 90967265869 in words is "ninety billion, nine hundred sixty-seven million, two hundred sixty-five thousand, eight hundred sixty-nine".