290979047911 has 4 divisors (see below), whose sum is σ = 308095462512. Its totient is φ = 273862633312.

The previous prime is 290979047899. The next prime is 290979047921. The reversal of 290979047911 is 119740979092.

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

It is a cyclic number.

It is not a de Polignac number, because 290979047911 - 2⁷ = 290979047783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290979047921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8558207275 + ... + 8558207308.

It is an arithmetic number, because the mean of its divisors is an integer number (77023865628).

Almost surely, 2^290979047911 is an apocalyptic number.

290979047911 is a deficient number, since it is larger than the sum of its proper divisors (17116414601).

290979047911 is a wasteful number, since it uses less digits than its factorization.

290979047911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17116414600.

The product of its (nonzero) digits is 2571912, while the sum is 58.

The spelling of 290979047911 in words is "two hundred ninety billion, nine hundred seventy-nine million, forty-seven thousand, nine hundred eleven".