1619051041001 has 2 divisors, whose sum is σ = 1619051041002. Its totient is φ = 1619051041000.

The previous prime is 1619051040979. The next prime is 1619051041007. The reversal of 1619051041001 is 1001401509161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1118409887401 + 500641153600 = 1057549^2 + 707560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1619051041001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1619051041007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 809525520500 + 809525520501.

It is an arithmetic number, because the mean of its divisors is an integer number (809525520501).

Almost surely, 2^{1619051041001} is an apocalyptic number.

It is an amenable number.

1619051041001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1619051041001 is an equidigital number, since it uses as much as digits as its factorization.

1619051041001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 29.

The spelling of 1619051041001 in words is "one trillion, six hundred nineteen billion, fifty-one million, forty-one thousand, one".