1427818801 has 4 divisors (see below), whose sum is σ = 1473877504. Its totient is φ = 1381760100.

The previous prime is 1427818751. The next prime is 1427818811. The reversal of 1427818801 is 1088187241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1088187241 = 1433 ⋅759377.

It is a cyclic number.

It is not a de Polignac number, because 1427818801 - 2¹⁵ = 1427786033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1427818811) 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, 23029305 + ... + 23029366.

It is an arithmetic number, because the mean of its divisors is an integer number (368469376).

Almost surely, 2^1427818801 is an apocalyptic number.

It is an amenable number.

1427818801 is a deficient number, since it is larger than the sum of its proper divisors (46058703).

1427818801 is an equidigital number, since it uses as much as digits as its factorization.

1427818801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46058702.

The product of its (nonzero) digits is 28672, while the sum is 40.

The square root of 1427818801 is about 37786.4896623118. The cubic root of 1427818801 is about 1126.0500618183.

The spelling of 1427818801 in words is "one billion, four hundred twenty-seven million, eight hundred eighteen thousand, eight hundred one".