2801690761 has 9 divisors (see below), whose sum is σ = 2873917479. Its totient is φ = 2731239600.

The previous prime is 2801690741. The next prime is 2801690767. The reversal of 2801690761 is 1670961082.

The square root of 2801690761 is 52931.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 135001161 + 2666689600 = 11619^2 + 51640^2 .

It is not a de Polignac number, because 2801690761 - 2⁹ = 2801690249 is a prime.

It is a super-2 number, since 2×2801690761² = 15698942240545518242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2801690767) 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 in 8 ways as a sum of consecutive naturals, for example, 2169526 + ... + 2170816.

Almost surely, 2^2801690761 is an apocalyptic number.

2801690761 is the 52931-st square number.

2801690761 is the 26466-th centered octagonal number.

It is an amenable number.

2801690761 is a deficient number, since it is larger than the sum of its proper divisors (72226718).

2801690761 is an frugal number, since it uses more digits than its factorization.

2801690761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The cubic root of 2801690761 is about 1409.7433868971.

The spelling of 2801690761 in words is "two billion, eight hundred one million, six hundred ninety thousand, seven hundred sixty-one".