1019734649603 has 2 divisors, whose sum is σ = 1019734649604. Its totient is φ = 1019734649602.

The previous prime is 1019734649501. The next prime is 1019734649617. The reversal of 1019734649603 is 3069464379101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1019734649603 - 2²⁶ = 1019667540739 is a prime.

It is a super-3 number, since 3×1019734649603³ (a number of 37 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1019734649683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509867324801 + 509867324802.

It is an arithmetic number, because the mean of its divisors is an integer number (509867324802).

Almost surely, 2^{1019734649603} is an apocalyptic number.

1019734649603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1019734649603 is an equidigital number, since it uses as much as digits as its factorization.

1019734649603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 1019734649603 in words is "one trillion, nineteen billion, seven hundred thirty-four million, six hundred forty-nine thousand, six hundred three".