421236702897 has 16 divisors (see below), whose sum is σ = 562135536000. Its totient is φ = 280581283584.

The previous prime is 421236702893. The next prime is 421236702937. The reversal of 421236702897 is 798207632124.

It is not a de Polignac number, because 421236702897 - 2² = 421236702893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421236702893) 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, 17747604 + ... + 17771322.

It is an arithmetic number, because the mean of its divisors is an integer number (35133471000).

Almost surely, 2^421236702897 is an apocalyptic number.

It is an amenable number.

421236702897 is a deficient number, since it is larger than the sum of its proper divisors (140898833103).

421236702897 is a wasteful number, since it uses less digits than its factorization.

421236702897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28600.

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 421236702897 in words is "four hundred twenty-one billion, two hundred thirty-six million, seven hundred two thousand, eight hundred ninety-seven".