2658632997 has 16 divisors (see below), whose sum is σ = 3703080960. Its totient is φ = 1693474992.

The previous prime is 2658632993. The next prime is 2658633001. The reversal of 2658632997 is 7992368562.

It is an interprime number because it is at equal distance from previous prime (2658632993) and next prime (2658633001).

It is not a de Polignac number, because 2658632997 - 2² = 2658632993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2658632993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42448 + ... + 84374.

It is an arithmetic number, because the mean of its divisors is an integer number (231442560).

Almost surely, 2^2658632997 is an apocalyptic number.

It is an amenable number.

2658632997 is a deficient number, since it is larger than the sum of its proper divisors (1044447963).

2658632997 is a wasteful number, since it uses less digits than its factorization.

2658632997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42872.

The product of its digits is 9797760, while the sum is 57.

The square root of 2658632997 is about 51561.9336041619. The cubic root of 2658632997 is about 1385.3285890769.

The spelling of 2658632997 in words is "two billion, six hundred fifty-eight million, six hundred thirty-two thousand, nine hundred ninety-seven".