1900207090829 has 2 divisors, whose sum is σ = 1900207090830. Its totient is φ = 1900207090828.

The previous prime is 1900207090813. The next prime is 1900207090853. The reversal of 1900207090829 is 9280907020091.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1252138620100 + 648068470729 = 1118990^2 + 805027^2 .

It is a cyclic number.

It is not a de Polignac number, because 1900207090829 - 2⁴ = 1900207090813 is a prime.

It is a super-2 number, since 2×1900207090829² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1900207090879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950103545414 + 950103545415.

It is an arithmetic number, because the mean of its divisors is an integer number (950103545415).

Almost surely, 2^{1900207090829} is an apocalyptic number.

It is an amenable number.

1900207090829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1900207090829 is an equidigital number, since it uses as much as digits as its factorization.

1900207090829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 47.

The spelling of 1900207090829 in words is "one trillion, nine hundred billion, two hundred seven million, ninety thousand, eight hundred twenty-nine".