4187246993 has 2 divisors, whose sum is σ = 4187246994. Its totient is φ = 4187246992.

The previous prime is 4187246989. The next prime is 4187247007. The reversal of 4187246993 is 3996427814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3565642369 + 621604624 = 59713^2 + 24932^2 .

It is a cyclic number.

It is not a de Polignac number, because 4187246993 - 2² = 4187246989 is a prime.

It is not a weakly prime, because it can be changed into another prime (4187246963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2093623496 + 2093623497.

It is an arithmetic number, because the mean of its divisors is an integer number (2093623497).

Almost surely, 2^4187246993 is an apocalyptic number.

It is an amenable number.

4187246993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4187246993 is an equidigital number, since it uses as much as digits as its factorization.

4187246993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 53.

The square root of 4187246993 is about 64708.9405955622. The cubic root of 4187246993 is about 1611.7939692031.

The spelling of 4187246993 in words is "four billion, one hundred eighty-seven million, two hundred forty-six thousand, nine hundred ninety-three".