290008863497 has 16 divisors (see below), whose sum is σ = 302111596800. Its totient is φ = 278165526912.

The previous prime is 290008863493. The next prime is 290008863509. The reversal of 290008863497 is 794368800092.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 290008863497 - 2² = 290008863493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290008863491) 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, 2133629 + ... + 2265477.

It is an arithmetic number, because the mean of its divisors is an integer number (18881974800).

Almost surely, 2^290008863497 is an apocalyptic number.

It is an amenable number.

290008863497 is a deficient number, since it is larger than the sum of its proper divisors (12102733303).

290008863497 is a wasteful number, since it uses less digits than its factorization.

290008863497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132832.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 290008863497 in words is "two hundred ninety billion, eight million, eight hundred sixty-three thousand, four hundred ninety-seven".