1426201651 has 4 divisors (see below), whose sum is σ = 1629944752. Its totient is φ = 1222458552.

The previous prime is 1426201619. The next prime is 1426201661. The reversal of 1426201651 is 1561026241.

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

It is not a de Polignac number, because 1426201651 - 2⁵ = 1426201619 is a prime.

It is a super-2 number, since 2×1426201651² = 4068102298630251602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426201661) 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, 101871540 + ... + 101871553.

It is an arithmetic number, because the mean of its divisors is an integer number (407486188).

Almost surely, 2^1426201651 is an apocalyptic number.

1426201651 is a deficient number, since it is larger than the sum of its proper divisors (203743101).

1426201651 is an equidigital number, since it uses as much as digits as its factorization.

1426201651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203743100.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1426201651 is about 37765.0850786808. The cubic root of 1426201651 is about 1125.6247791482.

Adding to 1426201651 its reverse (1561026241), we get a palindrome (2987227892).

The spelling of 1426201651 in words is "one billion, four hundred twenty-six million, two hundred one thousand, six hundred fifty-one".