1362873881 has 2 divisors, whose sum is σ = 1362873882. Its totient is φ = 1362873880.

The previous prime is 1362873859. The next prime is 1362873913. The reversal of 1362873881 is 1883782631.

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., 1230255625 + 132618256 = 35075^2 + 11516^2 .

It is a cyclic number.

It is not a de Polignac number, because 1362873881 - 2⁶ = 1362873817 is a prime.

It is a super-2 number, since 2×1362873881² = 3714850431024004322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1362893881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681436940 + 681436941.

It is an arithmetic number, because the mean of its divisors is an integer number (681436941).

Almost surely, 2^1362873881 is an apocalyptic number.

It is an amenable number.

1362873881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1362873881 is an equidigital number, since it uses as much as digits as its factorization.

1362873881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 47.

The square root of 1362873881 is about 36917.1217865098. The cubic root of 1362873881 is about 1108.7115100647.

The spelling of 1362873881 in words is "one billion, three hundred sixty-two million, eight hundred seventy-three thousand, eight hundred eighty-one".