1067897813 has 2 divisors, whose sum is σ = 1067897814. Its totient is φ = 1067897812.

The previous prime is 1067897807. The next prime is 1067897833. The reversal of 1067897813 is 3187987601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1048334884 + 19562929 = 32378^2 + 4423^2 .

It is an emirp because it is prime and its reverse (3187987601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1067897813 - 2⁶ = 1067897749 is a prime.

It is a super-2 number, since 2×1067897813² = 2280811478020365938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1067897833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533948906 + 533948907.

It is an arithmetic number, because the mean of its divisors is an integer number (533948907).

Almost surely, 2^1067897813 is an apocalyptic number.

It is an amenable number.

1067897813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1067897813 is an equidigital number, since it uses as much as digits as its factorization.

1067897813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 1067897813 is about 32678.7058036269. The cubic root of 1067897813 is about 1022.1388583198.

The spelling of 1067897813 in words is "one billion, sixty-seven million, eight hundred ninety-seven thousand, eight hundred thirteen".