2991319495 has 4 divisors (see below), whose sum is σ = 3589583400. Its totient is φ = 2393055592.

The previous prime is 2991319483. The next prime is 2991319537. The reversal of 2991319495 is 5949131992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2991319495 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299131945 + ... + 299131954.

It is an arithmetic number, because the mean of its divisors is an integer number (897395850).

Almost surely, 2^2991319495 is an apocalyptic number.

2991319495 is a deficient number, since it is larger than the sum of its proper divisors (598263905).

2991319495 is an equidigital number, since it uses as much as digits as its factorization.

2991319495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598263904.

The product of its digits is 787320, while the sum is 52.

The square root of 2991319495 is about 54692.9565392108. The cubic root of 2991319495 is about 1440.8571759657.

The spelling of 2991319495 in words is "two billion, nine hundred ninety-one million, three hundred nineteen thousand, four hundred ninety-five".