1396476869 has 2 divisors, whose sum is σ = 1396476870. Its totient is φ = 1396476868.

The previous prime is 1396476859. The next prime is 1396476889. The reversal of 1396476869 is 9686746931.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1376781025 + 19695844 = 37105^2 + 4438^2 .

It is a cyclic number.

It is not a de Polignac number, because 1396476869 - 2²⁴ = 1379699653 is a prime.

It is a super-2 number, since 2×1396476869² = 3900295291304086322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1396476859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698238434 + 698238435.

It is an arithmetic number, because the mean of its divisors is an integer number (698238435).

Almost surely, 2^1396476869 is an apocalyptic number.

It is an amenable number.

1396476869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396476869 is an equidigital number, since it uses as much as digits as its factorization.

1396476869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11757312, while the sum is 59.

The square root of 1396476869 is about 37369.4643927365. The cubic root of 1396476869 is about 1117.7497519781.

The spelling of 1396476869 in words is "one billion, three hundred ninety-six million, four hundred seventy-six thousand, eight hundred sixty-nine".