1993240507 has 2 divisors, whose sum is σ = 1993240508. Its totient is φ = 1993240506.

The previous prime is 1993240451. The next prime is 1993240567. The reversal of 1993240507 is 7050423991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1993240507 - 2¹⁵ = 1993207739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1993240507.

It is not a weakly prime, because it can be changed into another prime (1993240567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996620253 + 996620254.

It is an arithmetic number, because the mean of its divisors is an integer number (996620254).

Almost surely, 2^1993240507 is an apocalyptic number.

1993240507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1993240507 is an equidigital number, since it uses as much as digits as its factorization.

1993240507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 1993240507 is about 44645.7221578955. The cubic root of 1993240507 is about 1258.5000432235.

The spelling of 1993240507 in words is "one billion, nine hundred ninety-three million, two hundred forty thousand, five hundred seven".