961528103427 has 4 divisors (see below), whose sum is σ = 1282037471240. Its totient is φ = 641018735616.

The previous prime is 961528103387. The next prime is 961528103429. The reversal of 961528103427 is 724301825169.

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

It is not a de Polignac number, because 961528103427 - 2⁸ = 961528103171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961528103429) 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, 160254683902 + ... + 160254683907.

It is an arithmetic number, because the mean of its divisors is an integer number (320509367810).

It is a 1-persistent number, because it is pandigital, but 2⋅961528103427 = 1923056206854 is not.

Almost surely, 2^961528103427 is an apocalyptic number.

961528103427 is a deficient number, since it is larger than the sum of its proper divisors (320509367813).

961528103427 is a wasteful number, since it uses less digits than its factorization.

961528103427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320509367812.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 961528103427 in words is "nine hundred sixty-one billion, five hundred twenty-eight million, one hundred three thousand, four hundred twenty-seven".