1426462661 has 8 divisors (see below), whose sum is σ = 1538688984. Its totient is φ = 1314593280.

The previous prime is 1426462637. The next prime is 1426462663. The reversal of 1426462661 is 1662646241.

It can be written as a sum of positive squares in 4 ways, for example, as 6604900 + 1419857761 = 2570^2 + 37681^2 .

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

It is not a de Polignac number, because 1426462661 - 2²² = 1422268357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426462663) 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, 80900 + ... + 96941.

It is an arithmetic number, because the mean of its divisors is an integer number (192336123).

Almost surely, 2^1426462661 is an apocalyptic number.

It is an amenable number.

1426462661 is a deficient number, since it is larger than the sum of its proper divisors (112226323).

1426462661 is a wasteful number, since it uses less digits than its factorization.

1426462661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178471.

The product of its digits is 82944, while the sum is 38.

The square root of 1426462661 is about 37768.5406257642. The cubic root of 1426462661 is about 1125.6934420432.

The spelling of 1426462661 in words is "one billion, four hundred twenty-six million, four hundred sixty-two thousand, six hundred sixty-one".