103869554945 has 16 divisors (see below), whose sum is σ = 134264564112. Its totient is φ = 76684734720.

The previous prime is 103869554941. The next prime is 103869554989. The reversal of 103869554945 is 549455968301.

It is a happy number.

It is a Cunningham number, because it is equal to 322288²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 26772813376 + 77096741569 = 163624^2 + 277663^2 .

It is not a de Polignac number, because 103869554945 - 2² = 103869554941 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103869554941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70835 + ... + 461255.

It is an arithmetic number, because the mean of its divisors is an integer number (8391535257).

Almost surely, 2^103869554945 is an apocalyptic number.

It is an amenable number.

103869554945 is a deficient number, since it is larger than the sum of its proper divisors (30395009167).

103869554945 is a wasteful number, since it uses less digits than its factorization.

103869554945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394532.

The product of its (nonzero) digits is 23328000, while the sum is 59.

The spelling of 103869554945 in words is "one hundred three billion, eight hundred sixty-nine million, five hundred fifty-four thousand, nine hundred forty-five".