1426554993 has 16 divisors (see below), whose sum is σ = 1964445696. Its totient is φ = 919882320.

The previous prime is 1426554991. The next prime is 1426555001. The reversal of 1426554993 is 3994556241.

It is not a de Polignac number, because 1426554993 - 2¹ = 1426554991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1426554991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308980 + ... + 313562.

It is an arithmetic number, because the mean of its divisors is an integer number (122777856).

Almost surely, 2^1426554993 is an apocalyptic number.

It is an amenable number.

1426554993 is a deficient number, since it is larger than the sum of its proper divisors (537890703).

1426554993 is a wasteful number, since it uses less digits than its factorization.

1426554993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7964.

The product of its digits is 1166400, while the sum is 48.

The square root of 1426554993 is about 37769.7629460393. The cubic root of 1426554993 is about 1125.7177294611.

The spelling of 1426554993 in words is "one billion, four hundred twenty-six million, five hundred fifty-four thousand, nine hundred ninety-three".