19950608507 has 2 divisors, whose sum is σ = 19950608508. Its totient is φ = 19950608506.

The previous prime is 19950608479. The next prime is 19950608521. The reversal of 19950608507 is 70580605991.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19950608507 - 2¹⁰ = 19950607483 is a prime.

It is not a weakly prime, because it can be changed into another prime (19950608107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9975304253 + 9975304254.

It is an arithmetic number, because the mean of its divisors is an integer number (9975304254).

Almost surely, 2^19950608507 is an apocalyptic number.

19950608507 is a deficient number, since it is larger than the sum of its proper divisors (1).

19950608507 is an equidigital number, since it uses as much as digits as its factorization.

19950608507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 50.

The spelling of 19950608507 in words is "nineteen billion, nine hundred fifty million, six hundred eight thousand, five hundred seven".