1426623151 has 4 divisors (see below), whose sum is σ = 1501708600. Its totient is φ = 1351537704.

The previous prime is 1426623091. The next prime is 1426623179. The reversal of 1426623151 is 1513266241.

It is a happy number.

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 1426623151 - 2¹⁵ = 1426590383 is a prime.

It is a super-2 number, since 2×1426623151² = 4070507229938337602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426623181) 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, 37542696 + ... + 37542733.

It is an arithmetic number, because the mean of its divisors is an integer number (375427150).

Almost surely, 2^1426623151 is an apocalyptic number.

1426623151 is a deficient number, since it is larger than the sum of its proper divisors (75085449).

1426623151 is an equidigital number, since it uses as much as digits as its factorization.

1426623151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75085448.

The product of its digits is 8640, while the sum is 31.

The square root of 1426623151 is about 37770.6652178645. The cubic root of 1426623151 is about 1125.7356573708.

Adding to 1426623151 its reverse (1513266241), we get a palindrome (2939889392).

The spelling of 1426623151 in words is "one billion, four hundred twenty-six million, six hundred twenty-three thousand, one hundred fifty-one".