2891849495 has 16 divisors (see below), whose sum is σ = 3656604000. Its totient is φ = 2189472768.

The previous prime is 2891849479. The next prime is 2891849551. The reversal of 2891849495 is 5949481982.

It is a cyclic number.

It is not a de Polignac number, because 2891849495 - 2⁴ = 2891849479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80771 + ... + 110939.

It is an arithmetic number, because the mean of its divisors is an integer number (228537750).

Almost surely, 2^2891849495 is an apocalyptic number.

2891849495 is a deficient number, since it is larger than the sum of its proper divisors (764754505).

2891849495 is a wasteful number, since it uses less digits than its factorization.

2891849495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31202.

The product of its digits is 7464960, while the sum is 59.

The square root of 2891849495 is about 53775.9192854943. The cubic root of 2891849495 is about 1424.7059198211.

The spelling of 2891849495 in words is "two billion, eight hundred ninety-one million, eight hundred forty-nine thousand, four hundred ninety-five".