690038317249 has 8 divisors (see below), whose sum is σ = 727201724000. Its totient is φ = 652959470592.

The previous prime is 690038317153. The next prime is 690038317271. The reversal of 690038317249 is 942713830096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 690038317249 - 2⁷ = 690038317121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 690038317196 and 690038317205.

It is not an unprimeable number, because it can be changed into a prime (690038317289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21123264 + ... + 21155905.

It is an arithmetic number, because the mean of its divisors is an integer number (90900215500).

Almost surely, 2^690038317249 is an apocalyptic number.

It is an amenable number.

690038317249 is a deficient number, since it is larger than the sum of its proper divisors (37163406751).

690038317249 is a wasteful number, since it uses less digits than its factorization.

690038317249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42280047.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 690038317249 in words is "six hundred ninety billion, thirty-eight million, three hundred seventeen thousand, two hundred forty-nine".