1249898439203 has 2 divisors, whose sum is σ = 1249898439204. Its totient is φ = 1249898439202.

The previous prime is 1249898439193. The next prime is 1249898439227. The reversal of 1249898439203 is 3029348989421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1249898439203 - 2⁴ = 1249898439187 is a prime.

It is a super-2 number, since 2×1249898439203² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1249898439253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624949219601 + 624949219602.

It is an arithmetic number, because the mean of its divisors is an integer number (624949219602).

Almost surely, 2^{1249898439203} is an apocalyptic number.

1249898439203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1249898439203 is an equidigital number, since it uses as much as digits as its factorization.

1249898439203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26873856, while the sum is 62.

The spelling of 1249898439203 in words is "one trillion, two hundred forty-nine billion, eight hundred ninety-eight million, four hundred thirty-nine thousand, two hundred three".