421591455130 has 16 divisors (see below), whose sum is σ = 771305023944. Its totient is φ = 165872047680.

The previous prime is 421591455113. The next prime is 421591455157. The reversal of 421591455130 is 31554195124.

It can be written as a sum of positive squares in 4 ways, for example, as 185839450281 + 235752004849 = 431091^2 + 485543^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345566157 + ... + 345567376.

Almost surely, 2^421591455130 is an apocalyptic number.

421591455130 is a deficient number, since it is larger than the sum of its proper divisors (349713568814).

421591455130 is a wasteful number, since it uses less digits than its factorization.

421591455130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691133601.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 421591455130 in words is "four hundred twenty-one billion, five hundred ninety-one million, four hundred fifty-five thousand, one hundred thirty".