100432421297 has 8 divisors (see below), whose sum is σ = 108161917416. Its totient is φ = 92703485952.

The previous prime is 100432421293. The next prime is 100432421329. The reversal of 100432421297 is 792124234001.

It can be written as a sum of positive squares in 4 ways, for example, as 35651481856 + 64780939441 = 188816^2 + 254521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100432421297 - 2² = 100432421293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100432421293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278003 + ... + 527399.

It is an arithmetic number, because the mean of its divisors is an integer number (13520239677).

Almost surely, 2^100432421297 is an apocalyptic number.

It is an amenable number.

100432421297 is a deficient number, since it is larger than the sum of its proper divisors (7729496119).

100432421297 is a wasteful number, since it uses less digits than its factorization.

100432421297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280387.

The product of its (nonzero) digits is 24192, while the sum is 35.

Adding to 100432421297 its reverse (792124234001), we get a palindrome (892556655298).

The spelling of 100432421297 in words is "one hundred billion, four hundred thirty-two million, four hundred twenty-one thousand, two hundred ninety-seven".