1354498946813 has 4 divisors (see below), whose sum is σ = 1362328420668. Its totient is φ = 1346669472960.

The previous prime is 1354498946809. The next prime is 1354498946821. The reversal of 1354498946813 is 3186498944531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1275494666884 + 79004279929 = 1129378^2 + 281077^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354498946813 - 2² = 1354498946809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1354498946813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354498946413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3914736668 + ... + 3914737013.

It is an arithmetic number, because the mean of its divisors is an integer number (340582105167).

Almost surely, 2^{1354498946813} is an apocalyptic number.

It is an amenable number.

1354498946813 is a deficient number, since it is larger than the sum of its proper divisors (7829473855).

1354498946813 is an equidigital number, since it uses as much as digits as its factorization.

1354498946813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7829473854.

The product of its digits is 89579520, while the sum is 65.

The spelling of 1354498946813 in words is "one trillion, three hundred fifty-four billion, four hundred ninety-eight million, nine hundred forty-six thousand, eight hundred thirteen".