1013451818437 has 2 divisors, whose sum is σ = 1013451818438. Its totient is φ = 1013451818436.

The previous prime is 1013451818369. The next prime is 1013451818453. The reversal of 1013451818437 is 7348181543101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1009399986721 + 4051831716 = 1004689^2 + 63654^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013451818437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013451816437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506725909218 + 506725909219.

It is an arithmetic number, because the mean of its divisors is an integer number (506725909219).

Almost surely, 2^{1013451818437} is an apocalyptic number.

It is an amenable number.

1013451818437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013451818437 is an equidigital number, since it uses as much as digits as its factorization.

1013451818437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 1013451818437 in words is "one trillion, thirteen billion, four hundred fifty-one million, eight hundred eighteen thousand, four hundred thirty-seven".