103253763981 has 4 divisors (see below), whose sum is σ = 137671685312. Its totient is φ = 68835842652.

The previous prime is 103253763973. The next prime is 103253763997. The reversal of 103253763981 is 189367352301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 103253763981 - 2³ = 103253763973 is a prime.

It is a super-2 number, since 2×103253763981² (a number of 23 digits) contains 22 as substring.

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 103253763981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103253763931) 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, 17208960661 + ... + 17208960666.

It is an arithmetic number, because the mean of its divisors is an integer number (34417921328).

Almost surely, 2^103253763981 is an apocalyptic number.

It is an amenable number.

103253763981 is a deficient number, since it is larger than the sum of its proper divisors (34417921331).

103253763981 is an equidigital number, since it uses as much as digits as its factorization.

103253763981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34417921330.

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 103253763981 in words is "one hundred three billion, two hundred fifty-three million, seven hundred sixty-three thousand, nine hundred eighty-one".