6281013261 has 16 divisors (see below), whose sum is σ = 8653634048. Its totient is φ = 4048142400.

The previous prime is 6281013257. The next prime is 6281013269. The reversal of 6281013261 is 1623101826.

It is not a de Polignac number, because 6281013261 - 2² = 6281013257 is a prime.

It is a super-2 number, since 2×6281013261² = 78902255169715708242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6281013269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58851 + ... + 126591.

It is an arithmetic number, because the mean of its divisors is an integer number (540852128).

Almost surely, 2^6281013261 is an apocalyptic number.

It is an amenable number.

6281013261 is a deficient number, since it is larger than the sum of its proper divisors (2372620787).

6281013261 is a wasteful number, since it uses less digits than its factorization.

6281013261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68772.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 6281013261 is about 79252.8438669553. The cubic root of 6281013261 is about 1845.0574924983.

The spelling of 6281013261 in words is "six billion, two hundred eighty-one million, thirteen thousand, two hundred sixty-one".