1425938899 has 32 divisors (see below), whose sum is σ = 1850683392. Its totient is φ = 1075060800.

The previous prime is 1425938887. The next prime is 1425938909. The reversal of 1425938899 is 9988395241.

It is not a de Polignac number, because 1425938899 - 2¹⁷ = 1425807827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425938849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286359 + ... + 291295.

It is an arithmetic number, because the mean of its divisors is an integer number (57833856).

Almost surely, 2^1425938899 is an apocalyptic number.

1425938899 is a deficient number, since it is larger than the sum of its proper divisors (424744493).

1425938899 is an equidigital number, since it uses as much as digits as its factorization.

1425938899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008 (or 4986 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 58.

The square root of 1425938899 is about 37761.6061496330. The cubic root of 1425938899 is about 1125.5556495300. Note that the first 3 decimals are identical.

The spelling of 1425938899 in words is "one billion, four hundred twenty-five million, nine hundred thirty-eight thousand, eight hundred ninety-nine".