1498225278993 has 4 divisors (see below), whose sum is σ = 1997633705328. Its totient is φ = 998816852660.

The previous prime is 1498225278989. The next prime is 1498225279009. The reversal of 1498225278993 is 3998725228941.

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.

It is a cyclic number.

It is not a de Polignac number, because 1498225278993 - 2² = 1498225278989 is a prime.

It is a super-2 number, since 2×1498225278993² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1498225278923) 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, 249704213163 + ... + 249704213168.

It is an arithmetic number, because the mean of its divisors is an integer number (499408426332).

Almost surely, 2^{1498225278993} is an apocalyptic number.

It is an amenable number.

1498225278993 is a deficient number, since it is larger than the sum of its proper divisors (499408426335).

1498225278993 is an equidigital number, since it uses as much as digits as its factorization.

1498225278993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499408426334.

The product of its digits is 156764160, while the sum is 69.

The spelling of 1498225278993 in words is "one trillion, four hundred ninety-eight billion, two hundred twenty-five million, two hundred seventy-eight thousand, nine hundred ninety-three".