103413526421 has 4 divisors (see below), whose sum is σ = 109496675052. Its totient is φ = 97330377792.

The previous prime is 103413526373. The next prime is 103413526451. The reversal of 103413526421 is 124625314301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124625314301 = 577 ⋅215988413.

It can be written as a sum of positive squares in 2 ways, for example, as 63056734321 + 40356792100 = 251111^2 + 200890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103413526421 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 (103413526451) 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, 3041574290 + ... + 3041574323.

It is an arithmetic number, because the mean of its divisors is an integer number (27374168763).

Almost surely, 2^103413526421 is an apocalyptic number.

It is an amenable number.

103413526421 is a deficient number, since it is larger than the sum of its proper divisors (6083148631).

103413526421 is an equidigital number, since it uses as much as digits as its factorization.

103413526421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6083148630.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 103413526421 in words is "one hundred three billion, four hundred thirteen million, five hundred twenty-six thousand, four hundred twenty-one".