2102641461 has 6 divisors (see below), whose sum is σ = 3037148790. Its totient is φ = 1401760968.

The previous prime is 2102641427. The next prime is 2102641487. The reversal of 2102641461 is 1641462012.

2102641461 is a `hidden beast` number, since 2 + 10 + 2 + 641 + 4 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2100480561 + 2160900 = 45831^2 + 1470^2 .

It is not a de Polignac number, because 2102641461 - 2⁹ = 2102640949 is a prime.

It is a super-2 number, since 2×2102641461² = 8842202227032429042, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102641361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116813406 + ... + 116813423.

It is an arithmetic number, because the mean of its divisors is an integer number (506191465).

Almost surely, 2^2102641461 is an apocalyptic number.

It is an amenable number.

2102641461 is a deficient number, since it is larger than the sum of its proper divisors (934507329).

2102641461 is a wasteful number, since it uses less digits than its factorization.

2102641461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233626835 (or 233626832 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2102641461 is about 45854.5685946341. The cubic root of 2102641461 is about 1281.1158606473.

The spelling of 2102641461 in words is "two billion, one hundred two million, six hundred forty-one thousand, four hundred sixty-one".