2861307669 has 16 divisors (see below), whose sum is σ = 4163171904. Its totient is φ = 1733596800.

The previous prime is 2861307629. The next prime is 2861307671. The reversal of 2861307669 is 9667031682.

It is not a de Polignac number, because 2861307669 - 2¹⁵ = 2861274901 is a prime.

It is a super-2 number, since 2×2861307669² = 16374163153356427122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2861307629) 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, 115179 + ... + 137799.

It is an arithmetic number, because the mean of its divisors is an integer number (260198244).

Almost surely, 2^2861307669 is an apocalyptic number.

It is an amenable number.

2861307669 is a deficient number, since it is larger than the sum of its proper divisors (1301864235).

2861307669 is a wasteful number, since it uses less digits than its factorization.

2861307669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26468.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 2861307669 is about 53491.1924432425. The cubic root of 2861307669 is about 1419.6725537713.

The spelling of 2861307669 in words is "two billion, eight hundred sixty-one million, three hundred seven thousand, six hundred sixty-nine".