611426443 has 4 divisors (see below), whose sum is σ = 627951520. Its totient is φ = 594901368.

The previous prime is 611426393. The next prime is 611426447. The reversal of 611426443 is 344624116.

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

It is a cyclic number.

It is not a de Polignac number, because 611426443 - 2¹³ = 611418251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611426447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8262483 + ... + 8262556.

It is an arithmetic number, because the mean of its divisors is an integer number (156987880).

Almost surely, 2^611426443 is an apocalyptic number.

611426443 is a deficient number, since it is larger than the sum of its proper divisors (16525077).

611426443 is a wasteful number, since it uses less digits than its factorization.

611426443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16525076.

The product of its digits is 13824, while the sum is 31.

The square root of 611426443 is about 24727.0387026025. The cubic root of 611426443 is about 848.7531629535.

The spelling of 611426443 in words is "six hundred eleven million, four hundred twenty-six thousand, four hundred forty-three".