103645951761013 has 4 divisors (see below), whose sum is σ = 103832030669580. Its totient is φ = 103459872852448.

The previous prime is 103645951761007. The next prime is 103645951761017. The reversal of 103645951761013 is 310167159546301.

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 51845659354449 + 51800292406564 = 7200393^2 + 7197242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103645951761013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103645951761017) 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, 93039453448 + ... + 93039454561.

It is an arithmetic number, because the mean of its divisors is an integer number (25958007667395).

Almost surely, 2^{103645951761013} is an apocalyptic number.

It is an amenable number.

103645951761013 is a deficient number, since it is larger than the sum of its proper divisors (186078908567).

103645951761013 is an equidigital number, since it uses as much as digits as its factorization.

103645951761013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186078908566.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The spelling of 103645951761013 in words is "one hundred three trillion, six hundred forty-five billion, nine hundred fifty-one million, seven hundred sixty-one thousand, thirteen".