421354046026 has 4 divisors (see below), whose sum is σ = 632031069042. Its totient is φ = 210677023012.

The previous prime is 421354045999. The next prime is 421354046107. The reversal of 421354046026 is 620640453124.

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

It can be written as a sum of positive squares in only one way, i.e., 418576650625 + 2777395401 = 646975^2 + 52701^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105338511505 + ... + 105338511508.

Almost surely, 2^421354046026 is an apocalyptic number.

421354046026 is a deficient number, since it is larger than the sum of its proper divisors (210677023016).

421354046026 is a wasteful number, since it uses less digits than its factorization.

421354046026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210677023015.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 421354046026 in words is "four hundred twenty-one billion, three hundred fifty-four million, forty-six thousand, twenty-six".