426211491 has 8 divisors (see below), whose sum is σ = 569578240. Its totient is φ = 283492872.

The previous prime is 426211469. The next prime is 426211493. The reversal of 426211491 is 194112624.

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

It is not a de Polignac number, because 426211491 - 2⁶ = 426211427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426211493) 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, 160495 + ... + 163128.

It is an arithmetic number, because the mean of its divisors is an integer number (71197280).

Almost surely, 2^426211491 is an apocalyptic number.

426211491 is a deficient number, since it is larger than the sum of its proper divisors (143366749).

426211491 is a wasteful number, since it uses less digits than its factorization.

426211491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324065.

The product of its digits is 3456, while the sum is 30.

The square root of 426211491 is about 20644.8901910376. The cubic root of 426211491 is about 752.5610174103.

It can be divided in two parts, 4262 and 11491, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 426211491 in words is "four hundred twenty-six million, two hundred eleven thousand, four hundred ninety-one".