1900836761 has 2 divisors, whose sum is σ = 1900836762. Its totient is φ = 1900836760.

The previous prime is 1900836709. The next prime is 1900836767. The reversal of 1900836761 is 1676380091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1661051536 + 239785225 = 40756^2 + 15485^2 .

It is an emirp because it is prime and its reverse (1676380091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1900836761 - 2¹⁴ = 1900820377 is a prime.

It is a super-2 number, since 2×1900836761² = 7226360783937942242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1900836767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950418380 + 950418381.

It is an arithmetic number, because the mean of its divisors is an integer number (950418381).

Almost surely, 2^1900836761 is an apocalyptic number.

It is an amenable number.

1900836761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1900836761 is an equidigital number, since it uses as much as digits as its factorization.

1900836761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 1900836761 is about 43598.5866858090. The cubic root of 1900836761 is about 1238.7441241126.

The spelling of 1900836761 in words is "one billion, nine hundred million, eight hundred thirty-six thousand, seven hundred sixty-one".